How Do You Download Firefox On A Mac
2021年12月12日Download here: http://gg.gg/x7pby
Jul 01, 2020.
This article explains how to download and install Firefox on a Mac.
Method 1 Using Firefox Add-on. One of the easy ways to download video on Firefox is using the. Oct 22, 2014 Sometimes you may need to pause a download and resume it later. Both the Safari and Firefox browsers have the capability to resume an interrupted download on your Mac. Below, we show you the steps to do so in both browsers, as well as the Mac App Store. Simply follow the steps below: For Safari: 1. Start a download in Safari.
* If you are updating from a previous version of Firefox, see Update Firefox to the latest release.Note: This article only applies to Mac. For instructions to install Firefox on Windows, see How to download and install Firefox on Windows.For instructions to install Firefox on Linux, see Install Firefox on Linux.Make sure your Mac meets the System Requirements for Firefox. If you use an old version of OS X, see these articles for more information:
*Important: By default, Firefox is set for automatic updates. To prevent Firefox from automatically updating itself after you install an older version, you’ll need to change your Firefox update settings: Click the menu button and select Options. In the General panel, go to the Firefox Updates section.
*Index of /pub/firefox/releases/ Type Name Size Last Modified; Dir. Dir: 0.10.1/ Dir: 0.10/ Dir: 0.10rc/ Dir: 0.8/ Dir: 0.9.1/.
*Visit the Firefox download page in any browser (for example, Safari). It will automatically detect the platform and language on your computer and recommend the best version of Firefox for you.
*Click .
*Note: If you want to have a choice of the language for your Firefox installation, click the Download options and other languages link instead.
*Once the download has completed, the file (Firefox.dmg) may open by itself and pop open a Finder window containing the Firefox application. Drag the Firefox icon on top of the Applications folder in order to copy it there.Note: If you do not see this window, open the Firefox.dmg file that you downloaded.
*After dragging Firefox to the Applications folder, hold down the control key while clicking in the window and select Eject ’Firefox’ from the menu.Complete the steps above before running Firefox. Do not run Firefox directly from the Firefox.dmg file, as this can result in issues such as lost data and settings.
Tip: You can add Firefox to your dock for easy access. Just open your Applications folder and drag Firefox to the dock.
Firefox is now ready for use. Just click on its icon in the dock or Applications folder to start it.
When you first start up Firefox, you will be warned that you downloaded Firefox from the Internet. Because you download Firefox from the official site, click .
Upon installation, Firefox will not be your default browser, which you’ll be notified about. That means that when you open a link in your mail application, an Internet shortcut, or HTML document, it will not open in Firefox. If you want Firefox to do those things, click . If you’re just trying out Firefox or simply do not wish to set Firefox as your default browser, click .
Firefox Quantum or simply known as Firefox is a free web browser developed by Mozilla Corporation. It is an open-source program that lets you use the browser for free. On this page, you can download the offline installers of Mozilla Firefox older versions for Windows 10, 8, 7 and XP operating systems as well as Linux and Mac OS too. If you want to download the latest version of the Firefox browser, then you download it here.Technical Details of Mozilla Firefox web browser:
Title: Mozilla Firefox Quantum.Developer/Publisher: Mozilla.Category: Web Browser.License: Open-Source/Free.Language: English US.Download Firefox older versions;Firefox Version 79.0:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: July 28, 2020VersionDownload LinksSize (MB)Windows 32 bit Download50.7 MBWindows 64 bitDownload52 MBFor Mac OSDownload71 MBLinux 32 bitDownload69.5 MBLinux 64 bitDownload67.5 MBFirefox Version 78.0:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: June 30, 2020VersionDownload LinksSize (MB)Windows 32 bit Download50.4 MBWindows 64 bitDownload51.6 MBFor Mac OSDownload71 MBLinux 32 bitDownload69.5 MBLinux 64 bitDownload67.5 MBFirefox Version 76.0:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: May 5, 2020VersionDownload LinksSize (MB)Windows 32 bit Download48.1 MBWindows 64 bitDownload49.5 MBFor Mac OSDownload68.5 MBLinux 32 bitDownload65.0 MBLinux 64 bitDownload63.3 MBFirefox Version 75.0:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: April 7, 2020VersionDownload LinksSize (MB)Windows 32 bit Download47.9 MBWindows 64 bitDownload49.4 MBFor Mac OSDownload67.6 MBLinux 32 bitDownload65.0 MBLinux 64 bitDownload63.3 MBFirefox Version 74.0:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: March 10, 2020VersionDownload LinksSize (MB)Windows 32 bit Download47.4 MBWindows 64 bitDownload49.6 MBFor Mac OSDownload65.0 MBLinux 32 bitDownload65.0 MBLinux 64 bitDownload63.3 MBFirefox Version 73.0:Download Old Version Firefox 3.6
Title: Mozilla Firefox Quantum.Language: English US.Release Date: February 10, 2019VersionDownload LinksSize (MB)Windows 32 bit Download47.4 MBWindows 64 bitDownload49.6 MBFor Mac OSDownload65.0 MBLinux 32 bitDownload65.0 MBLinux 64 bitDownload63.3 MBFirefox Version 72.0.2:Firefox 0.9.1
Title: Mozilla Firefox Quantum.Language: English US.Release Date: January 20, 2019VersionDownload LinksSize (MB)Windows 32 bit Download47.36 MBWindows 64 bitDownload49.05 MBFor Mac OSDownload69.4 MBLinux 32 bitDownload65.0 MBLinux 64 bitDownload63.3 MBFirefox Version 71.0:
Version 71.0 Language: English US.Release Date: December 3, 2019
Download Mozilla Firefox for Windows 32 bit, Size: 47.36 MBDownloadDownload Mozilla Firefox for Windows 64 bit, Size: 49.05 MBDownloadFirefox Version 70.0.1:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: October 31, 2019
Download Mozilla Firefox for Windows 32 bit, Size: 47.36 MBDownloadDownload Mozilla Firefox for Windows 64 bit, Size: 49.05 MBDownloadDownload Mozilla Firefox for Mac Size: 69.1 MBDownloadDownload Mozilla Firefox for Linux 32 bit Size: 65.4 MBDownloadDownload Mozilla Firefox for Linux 64 bit Size: 64.1 MBDownloadMozilla Firefox version 52.0.1 for Windows XPOS Support: Windows XP/ Windows Vista [Both 32 Bit (x86) / 64 Bit (x64) platforms]
Mozilla Firefox for Windows XP/Vista (32-bit) Official, Size: 43.27 MB:
Mozilla Firefox for Windows XP/Vista (64-bit) Official, Size: 44.45 MB: Firefox Older Version Download Free for Windows, Mac, Linux
Download Mozilla Firefox older version offline installer for Windows, Mac, and Linux. Official download links of Firefox, 100% safe and secure.
Price Currency: USD
Operating System: Windows, Mac, Linux
Application Category: Web BrowserMake your Mac invincible Get Setapp, a toolkit with fixes for all Mac problems
Firefox Lockwise. Take the passwords you’ve saved in Firefox with you everywhere. Download for iOS; Download for Android; Support; Firefox Monitor. See if your personal info has been leaked online, and sign up for future breach alerts. Because you download Firefox from the official site, click Open. Upon installation, Firefox will not be your default browser, which you’ll be notified about. That means that when you open a link in your mail application, an Internet shortcut, or HTML document, it will not open in Firefox.
Mozilla’s Firefox browser is known for its speed and a large collection of extensions that let you customize the experience to your heart’s desire. But when Firefox is running slow, crashing, or not loading websites properly, it can be frustrating to figure out why. Follow our step-by-step guide to get your Firefox back to tip-top condition.What are the most frequent problems with Firefox?
Overall, Firefox is a top-rated and highly reliable browser — good choice for both professional and everyday users. However, serving so many platforms on so many devices and screens, even the best of the best sometimes let us down. But worry not, in this how-to we’ve combined the most frequently occurring Firefox problems and written specific instructions on how to fix them.
Fix every Mac problem via Setapp
Get a curated set of Mac applications that fix Firefox — just like tons of other problems on your computer. Give it a try!
Quick navigation:Why is Firefox so slow, hangs or keeps freezing?
Slow Firefox browsing experience is truthfully beyond annoying. It seems like it’s almost working, but you can’t get anything done.
Here we’ve listed some suggestions that should get your Firefox run faster.1. Close inactive tabs
See how many tabs you have opened. More than a few? Active tabs mean active processes that take up your laptop’s RAM and drastically slow down its capabilities. Just close the tabs you’re not actively using. If they are important to remember, save them to bookmarks or stash them in a special ’Read Later’ list in a to-do application such as 2Do.2. Clear Firefox cookies and cache
All the websites you visit leave behind cached image files, which are supposed to speed up load times, and cookies, which can save you from having to log in over and over. Those are big conveniences if they work the way they’re supposed to, but sometimes cache and cookies can cause glitches and slowdowns.
If Firefox is acting up, you can clear cookies and cache by doing the following:
*Click the Library button
*Choose History > Clear Recent History
*Change the time range to Everything
*Click the arrow next to the word Details
*Select Cache and Cookies
*Then click the Clear Now button
Alternatively, you can do this easier and safer with CleanMyMac. Just click Privacy in the sidebar and then choose Firefox from the list. Change the time range to Everything, and you can clear all of the cookies, browsing history, downloads history, tabs, saved passwords, and even autofill values.3. Update Firefox and macOS
If closing tabs and clearing the cache didn’t work, it’s a good idea to update Firefox and macOS to its latest versions. When Firefox is active, just click on Firefox in the menu and select About Firefox. The latest available update should start downloading automatically. When it’s ready, click Restart to Update Firefox and you are ready to go.
Updating macOS is easy too. Just launch the App Store on your Mac. Go to the Updates tab and wait till it shows you all the new software versions available. If you see new updates for macOS, click Update and follow the restart instructions.4. See what consumes hardware resources
If the problem persists, check for high hardware resource usage. For basic information, you can use Mac’s native Activity Monitor. However, to see the whole picture, get a pro-level app, such as iStat Menus. If you see Firefox using too much memory or CPU, you need to take some action.
Keep your Mac controlled with iStat Menus
Download a Mac app that cleverly monitors your CPU resources, battery, and anything that affects performance. Fix problems before they arise.
5. Troubleshoot plugins and extensions
When Firefox stops responding to your clicks it’s very likely that one of your installed plugins is the culprit. To check for that, click the Menu button, and then choose Add-ons. In the Add-ons Manager’s Plugins panel, you can select Never Activate for each plugin, then restart Firefox and see if the problem is still happening.
If the problem is gone, turn the plugins back on one by one, just changing that Never Activate option back to Always Activate. Restart Firefox each time and then try to recreate the error. Once the problem reappears, you’ll know it was likely caused by the last plugin you re-enabled.
You can also remove a plugin with CleanMyMac’s Extensions tab, which is actually a lot easier than using Firefox. In Firefox itself, you have to type about:plugins, then find the file path for that plugin and navigate to it in the Finder. Mozilla then recommends you change the filename to add an X in front, which will remove the plugin. You can reinstall a fresh copy of the plugin (from official sources only!), or just see if you can live without it.
To check your extensions in Firefox, go to about:add-ons, then click Extensions in the sidebar. You can disable extensions here, and then turn them back on one by one, in the same way you just checked your plugins. If you want to remove all your extensions and start fresh, you can click the Remove button or use the Extensions tab in CleanMyMac, which manages extensions, add-ons, and plugins from one place.6. Stop loading Flash content
Preventing Flash content from loading automatically deserves a separate explanation. Some websites use way too much Flash content, and loading and playing all of that uses up your computer’s resources, especially if you keep a lot of tabs open. Luckily, you can tell Firefox to stop loading Flash content by default, until you ask for it.
*Click the Menu button and select Add-ons, or select Tools > Add-ons from your Mac’s menu bar. (Or press Command-Shift-A, or type about:add-ons into the URL bar. It all takes you to the same place.)
*In the Add-ons Manager, click Plugins in the sidebar, and then look for Shockwave Flash.
*Change the dropdown from Always Activate to Ask to Activate. After that, websites will display an Activate Adobe Flash button in place of Flash content, and all you have to do is click that to allow Flash to display it.
Following the tips above should eliminate 90% of your Firefox problems. But if you’re still experiencing troubles, there is more you can do. Read on.
Avoid Firefox crashingHow Do I Download Firefox On My Mac
Get Setapp to fix Firefox crashing issues. No more freezing or showing errors while loading content.
Mozilla Firefox crashes unexpectedly or won’t open
Whether Firefox shows you an error message every time you try to launch the app or right when you’re in the middle of a working session, there is only one way to fix that — reinstall the application.Why Can T I Download Firefox On My Mac
The easiest way to reinstall Firefox is to quit it, delete the Firefox file from your Applications folder, and download the new version from the official Mozilla website. That will uninstall the application but keep all your user data intact, and when you reinstall a new copy, you bookmarks and passwords will still be there.
But that’s not the best way to do it, since Firefox leaves all kinds of data on your hard drive besides the main application file. A better way is to use an application that’s able to delete all Firefox information completely or simply reset the app, such as CleanMyMac.
To reset the Firefox browser app on mac:
*Launch CleanMyMac
*Go to the Uninstaller tab
*Choose Firefox from the list
*Choose Application reset and click Uninstall round button
There are rare cases when the ’Firefox quit unexpectedly’ message could be caused by the Mac security update. This happens when your Mac’s firewall used to recognize previous versions of Firefox but no longer trusts the new one. Follow official Mozilla documentation to fix this issue.Firefox shows errors loading websites
So your Firefox is fast and doesn’t randomly quit, but still doesn’t seem to load websites. There are a few things that might cause this, so let’s zero in on the problem by gradually excluding various perpetrators.1. Check your network connection
Turn your modem off and on (helps in nearly all cases). Check that your network connection is performing up to standards by using WiFi analyzers, such as NetSpot and WiFi Explorer. As soon as you launch NetSpot, make sure it’s set to Discover mode, and it will scan all nearby WiFi networks automatically. WiFi Explorer is just as easy — launch the app and click the play button to analyze the network quality around you.2. Launch websites in other browsers
If your WiFi network seems to be fine, it’s good to check whether the connection works in other browsers, like Safari or Chrome, just to make sure that the problem in fact is with Firefox specifically. Then, check the settings in your firewall by following the steps outlined by Mozilla.3. Fix the proxy server issue
If upon loading the website you get the ’Proxy server is refusing connections’ message, there is an easy fix for that.
*Open Firefox > Menu > Options
*In the Options, click Advanced and then Network
*Choose Settings and then ’No proxy’ and click OK
*Restart Firefox and the problem should be fixedWhy Can’t I Download Firefox On My Mac4. Validate the security certificateHow Do I Download Firefox On My Macbook Pro
In case Firefox shows you that it has troubles validating some website’s security certificate, it might be related to improperly set date and time on your system. Just make sure your timezone settings in System Preferences > Data & Time are configured correctly and Firefox should go back to validating the website certificate normally.5. Flush DNS cache
Another option you can try is flushing the DNS cache, which acts as a temporary database, storing all sorts of connectivity logs and website access attempts.
*Open up the Terminal utility
*Type sudo killall -HUP mDNSResponder;say DNS cache has been flushed
*Press Enter and type your admin password when prompted
*An alert a few moments later will inform you that the process is complete
Combine flushing the DNS cache with clearing out cache and cookies from Firefox, and restarting your Mac to get the best result.6. Disable DNS prefetching
If you are still experiencing troubles loading websites, it could be that DNS prefetching is at play. Usually Firefox tries to speed up loading new websites by using DNS prefetching, but it can also cause loading errors with some system configurations. To disable DNS prefetching:
*In the address bar, type about:config and press Return. The about:config ’This might void your warranty!’ warning page may appear. Click ’I accept the risk!’ to continue.
*Hold down the Ctrl key while you click on the list of preferences. Select New and then select Boolean.
*In the ’Enter the preference name’ field, enternetwork.dns.disablePrefetch and click OK.
*Select True when prompted to set the value and click OK.7. Scan your Mac for malware
The last step to try to fix the website loading issue is to check your system for malware. If you remember Firefox being haunted by ad pop-ups, toolbars you didn’t install yourself, or a new default home page, you might have picked up some malware that’s hijacking your browser sessions.
A simple malware tool for Setapp users is CleanMyMac Malware Removal tool. It’s a free download, with a pro license for more active, real-time protection. The free product will however scan your Mac and safely remove any malware at no cost to you.Firefox doesn’t work as it should
When your Firefox is just generally behaving incorrectly, a few more tips might
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Jul 01, 2020.
This article explains how to download and install Firefox on a Mac.
Method 1 Using Firefox Add-on. One of the easy ways to download video on Firefox is using the. Oct 22, 2014 Sometimes you may need to pause a download and resume it later. Both the Safari and Firefox browsers have the capability to resume an interrupted download on your Mac. Below, we show you the steps to do so in both browsers, as well as the Mac App Store. Simply follow the steps below: For Safari: 1. Start a download in Safari.
* If you are updating from a previous version of Firefox, see Update Firefox to the latest release.Note: This article only applies to Mac. For instructions to install Firefox on Windows, see How to download and install Firefox on Windows.For instructions to install Firefox on Linux, see Install Firefox on Linux.Make sure your Mac meets the System Requirements for Firefox. If you use an old version of OS X, see these articles for more information:
*Important: By default, Firefox is set for automatic updates. To prevent Firefox from automatically updating itself after you install an older version, you’ll need to change your Firefox update settings: Click the menu button and select Options. In the General panel, go to the Firefox Updates section.
*Index of /pub/firefox/releases/ Type Name Size Last Modified; Dir. Dir: 0.10.1/ Dir: 0.10/ Dir: 0.10rc/ Dir: 0.8/ Dir: 0.9.1/.
*Visit the Firefox download page in any browser (for example, Safari). It will automatically detect the platform and language on your computer and recommend the best version of Firefox for you.
*Click .
*Note: If you want to have a choice of the language for your Firefox installation, click the Download options and other languages link instead.
*Once the download has completed, the file (Firefox.dmg) may open by itself and pop open a Finder window containing the Firefox application. Drag the Firefox icon on top of the Applications folder in order to copy it there.Note: If you do not see this window, open the Firefox.dmg file that you downloaded.
*After dragging Firefox to the Applications folder, hold down the control key while clicking in the window and select Eject ’Firefox’ from the menu.Complete the steps above before running Firefox. Do not run Firefox directly from the Firefox.dmg file, as this can result in issues such as lost data and settings.
Tip: You can add Firefox to your dock for easy access. Just open your Applications folder and drag Firefox to the dock.
Firefox is now ready for use. Just click on its icon in the dock or Applications folder to start it.
When you first start up Firefox, you will be warned that you downloaded Firefox from the Internet. Because you download Firefox from the official site, click .
Upon installation, Firefox will not be your default browser, which you’ll be notified about. That means that when you open a link in your mail application, an Internet shortcut, or HTML document, it will not open in Firefox. If you want Firefox to do those things, click . If you’re just trying out Firefox or simply do not wish to set Firefox as your default browser, click .
Firefox Quantum or simply known as Firefox is a free web browser developed by Mozilla Corporation. It is an open-source program that lets you use the browser for free. On this page, you can download the offline installers of Mozilla Firefox older versions for Windows 10, 8, 7 and XP operating systems as well as Linux and Mac OS too. If you want to download the latest version of the Firefox browser, then you download it here.Technical Details of Mozilla Firefox web browser:
Title: Mozilla Firefox Quantum.Developer/Publisher: Mozilla.Category: Web Browser.License: Open-Source/Free.Language: English US.Download Firefox older versions;Firefox Version 79.0:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: July 28, 2020VersionDownload LinksSize (MB)Windows 32 bit Download50.7 MBWindows 64 bitDownload52 MBFor Mac OSDownload71 MBLinux 32 bitDownload69.5 MBLinux 64 bitDownload67.5 MBFirefox Version 78.0:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: June 30, 2020VersionDownload LinksSize (MB)Windows 32 bit Download50.4 MBWindows 64 bitDownload51.6 MBFor Mac OSDownload71 MBLinux 32 bitDownload69.5 MBLinux 64 bitDownload67.5 MBFirefox Version 76.0:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: May 5, 2020VersionDownload LinksSize (MB)Windows 32 bit Download48.1 MBWindows 64 bitDownload49.5 MBFor Mac OSDownload68.5 MBLinux 32 bitDownload65.0 MBLinux 64 bitDownload63.3 MBFirefox Version 75.0:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: April 7, 2020VersionDownload LinksSize (MB)Windows 32 bit Download47.9 MBWindows 64 bitDownload49.4 MBFor Mac OSDownload67.6 MBLinux 32 bitDownload65.0 MBLinux 64 bitDownload63.3 MBFirefox Version 74.0:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: March 10, 2020VersionDownload LinksSize (MB)Windows 32 bit Download47.4 MBWindows 64 bitDownload49.6 MBFor Mac OSDownload65.0 MBLinux 32 bitDownload65.0 MBLinux 64 bitDownload63.3 MBFirefox Version 73.0:Download Old Version Firefox 3.6
Title: Mozilla Firefox Quantum.Language: English US.Release Date: February 10, 2019VersionDownload LinksSize (MB)Windows 32 bit Download47.4 MBWindows 64 bitDownload49.6 MBFor Mac OSDownload65.0 MBLinux 32 bitDownload65.0 MBLinux 64 bitDownload63.3 MBFirefox Version 72.0.2:Firefox 0.9.1
Title: Mozilla Firefox Quantum.Language: English US.Release Date: January 20, 2019VersionDownload LinksSize (MB)Windows 32 bit Download47.36 MBWindows 64 bitDownload49.05 MBFor Mac OSDownload69.4 MBLinux 32 bitDownload65.0 MBLinux 64 bitDownload63.3 MBFirefox Version 71.0:
Version 71.0 Language: English US.Release Date: December 3, 2019
Download Mozilla Firefox for Windows 32 bit, Size: 47.36 MBDownloadDownload Mozilla Firefox for Windows 64 bit, Size: 49.05 MBDownloadFirefox Version 70.0.1:
Title: Mozilla Firefox Quantum.Language: English US.Release Date: October 31, 2019
Download Mozilla Firefox for Windows 32 bit, Size: 47.36 MBDownloadDownload Mozilla Firefox for Windows 64 bit, Size: 49.05 MBDownloadDownload Mozilla Firefox for Mac Size: 69.1 MBDownloadDownload Mozilla Firefox for Linux 32 bit Size: 65.4 MBDownloadDownload Mozilla Firefox for Linux 64 bit Size: 64.1 MBDownloadMozilla Firefox version 52.0.1 for Windows XPOS Support: Windows XP/ Windows Vista [Both 32 Bit (x86) / 64 Bit (x64) platforms]
Mozilla Firefox for Windows XP/Vista (32-bit) Official, Size: 43.27 MB:
Mozilla Firefox for Windows XP/Vista (64-bit) Official, Size: 44.45 MB: Firefox Older Version Download Free for Windows, Mac, Linux
Download Mozilla Firefox older version offline installer for Windows, Mac, and Linux. Official download links of Firefox, 100% safe and secure.
Price Currency: USD
Operating System: Windows, Mac, Linux
Application Category: Web BrowserMake your Mac invincible Get Setapp, a toolkit with fixes for all Mac problems
Firefox Lockwise. Take the passwords you’ve saved in Firefox with you everywhere. Download for iOS; Download for Android; Support; Firefox Monitor. See if your personal info has been leaked online, and sign up for future breach alerts. Because you download Firefox from the official site, click Open. Upon installation, Firefox will not be your default browser, which you’ll be notified about. That means that when you open a link in your mail application, an Internet shortcut, or HTML document, it will not open in Firefox.
Mozilla’s Firefox browser is known for its speed and a large collection of extensions that let you customize the experience to your heart’s desire. But when Firefox is running slow, crashing, or not loading websites properly, it can be frustrating to figure out why. Follow our step-by-step guide to get your Firefox back to tip-top condition.What are the most frequent problems with Firefox?
Overall, Firefox is a top-rated and highly reliable browser — good choice for both professional and everyday users. However, serving so many platforms on so many devices and screens, even the best of the best sometimes let us down. But worry not, in this how-to we’ve combined the most frequently occurring Firefox problems and written specific instructions on how to fix them.
Fix every Mac problem via Setapp
Get a curated set of Mac applications that fix Firefox — just like tons of other problems on your computer. Give it a try!
Quick navigation:Why is Firefox so slow, hangs or keeps freezing?
Slow Firefox browsing experience is truthfully beyond annoying. It seems like it’s almost working, but you can’t get anything done.
Here we’ve listed some suggestions that should get your Firefox run faster.1. Close inactive tabs
See how many tabs you have opened. More than a few? Active tabs mean active processes that take up your laptop’s RAM and drastically slow down its capabilities. Just close the tabs you’re not actively using. If they are important to remember, save them to bookmarks or stash them in a special ’Read Later’ list in a to-do application such as 2Do.2. Clear Firefox cookies and cache
All the websites you visit leave behind cached image files, which are supposed to speed up load times, and cookies, which can save you from having to log in over and over. Those are big conveniences if they work the way they’re supposed to, but sometimes cache and cookies can cause glitches and slowdowns.
If Firefox is acting up, you can clear cookies and cache by doing the following:
*Click the Library button
*Choose History > Clear Recent History
*Change the time range to Everything
*Click the arrow next to the word Details
*Select Cache and Cookies
*Then click the Clear Now button
Alternatively, you can do this easier and safer with CleanMyMac. Just click Privacy in the sidebar and then choose Firefox from the list. Change the time range to Everything, and you can clear all of the cookies, browsing history, downloads history, tabs, saved passwords, and even autofill values.3. Update Firefox and macOS
If closing tabs and clearing the cache didn’t work, it’s a good idea to update Firefox and macOS to its latest versions. When Firefox is active, just click on Firefox in the menu and select About Firefox. The latest available update should start downloading automatically. When it’s ready, click Restart to Update Firefox and you are ready to go.
Updating macOS is easy too. Just launch the App Store on your Mac. Go to the Updates tab and wait till it shows you all the new software versions available. If you see new updates for macOS, click Update and follow the restart instructions.4. See what consumes hardware resources
If the problem persists, check for high hardware resource usage. For basic information, you can use Mac’s native Activity Monitor. However, to see the whole picture, get a pro-level app, such as iStat Menus. If you see Firefox using too much memory or CPU, you need to take some action.
Keep your Mac controlled with iStat Menus
Download a Mac app that cleverly monitors your CPU resources, battery, and anything that affects performance. Fix problems before they arise.
5. Troubleshoot plugins and extensions
When Firefox stops responding to your clicks it’s very likely that one of your installed plugins is the culprit. To check for that, click the Menu button, and then choose Add-ons. In the Add-ons Manager’s Plugins panel, you can select Never Activate for each plugin, then restart Firefox and see if the problem is still happening.
If the problem is gone, turn the plugins back on one by one, just changing that Never Activate option back to Always Activate. Restart Firefox each time and then try to recreate the error. Once the problem reappears, you’ll know it was likely caused by the last plugin you re-enabled.
You can also remove a plugin with CleanMyMac’s Extensions tab, which is actually a lot easier than using Firefox. In Firefox itself, you have to type about:plugins, then find the file path for that plugin and navigate to it in the Finder. Mozilla then recommends you change the filename to add an X in front, which will remove the plugin. You can reinstall a fresh copy of the plugin (from official sources only!), or just see if you can live without it.
To check your extensions in Firefox, go to about:add-ons, then click Extensions in the sidebar. You can disable extensions here, and then turn them back on one by one, in the same way you just checked your plugins. If you want to remove all your extensions and start fresh, you can click the Remove button or use the Extensions tab in CleanMyMac, which manages extensions, add-ons, and plugins from one place.6. Stop loading Flash content
Preventing Flash content from loading automatically deserves a separate explanation. Some websites use way too much Flash content, and loading and playing all of that uses up your computer’s resources, especially if you keep a lot of tabs open. Luckily, you can tell Firefox to stop loading Flash content by default, until you ask for it.
*Click the Menu button and select Add-ons, or select Tools > Add-ons from your Mac’s menu bar. (Or press Command-Shift-A, or type about:add-ons into the URL bar. It all takes you to the same place.)
*In the Add-ons Manager, click Plugins in the sidebar, and then look for Shockwave Flash.
*Change the dropdown from Always Activate to Ask to Activate. After that, websites will display an Activate Adobe Flash button in place of Flash content, and all you have to do is click that to allow Flash to display it.
Following the tips above should eliminate 90% of your Firefox problems. But if you’re still experiencing troubles, there is more you can do. Read on.
Avoid Firefox crashingHow Do I Download Firefox On My Mac
Get Setapp to fix Firefox crashing issues. No more freezing or showing errors while loading content.
Mozilla Firefox crashes unexpectedly or won’t open
Whether Firefox shows you an error message every time you try to launch the app or right when you’re in the middle of a working session, there is only one way to fix that — reinstall the application.Why Can T I Download Firefox On My Mac
The easiest way to reinstall Firefox is to quit it, delete the Firefox file from your Applications folder, and download the new version from the official Mozilla website. That will uninstall the application but keep all your user data intact, and when you reinstall a new copy, you bookmarks and passwords will still be there.
But that’s not the best way to do it, since Firefox leaves all kinds of data on your hard drive besides the main application file. A better way is to use an application that’s able to delete all Firefox information completely or simply reset the app, such as CleanMyMac.
To reset the Firefox browser app on mac:
*Launch CleanMyMac
*Go to the Uninstaller tab
*Choose Firefox from the list
*Choose Application reset and click Uninstall round button
There are rare cases when the ’Firefox quit unexpectedly’ message could be caused by the Mac security update. This happens when your Mac’s firewall used to recognize previous versions of Firefox but no longer trusts the new one. Follow official Mozilla documentation to fix this issue.Firefox shows errors loading websites
So your Firefox is fast and doesn’t randomly quit, but still doesn’t seem to load websites. There are a few things that might cause this, so let’s zero in on the problem by gradually excluding various perpetrators.1. Check your network connection
Turn your modem off and on (helps in nearly all cases). Check that your network connection is performing up to standards by using WiFi analyzers, such as NetSpot and WiFi Explorer. As soon as you launch NetSpot, make sure it’s set to Discover mode, and it will scan all nearby WiFi networks automatically. WiFi Explorer is just as easy — launch the app and click the play button to analyze the network quality around you.2. Launch websites in other browsers
If your WiFi network seems to be fine, it’s good to check whether the connection works in other browsers, like Safari or Chrome, just to make sure that the problem in fact is with Firefox specifically. Then, check the settings in your firewall by following the steps outlined by Mozilla.3. Fix the proxy server issue
If upon loading the website you get the ’Proxy server is refusing connections’ message, there is an easy fix for that.
*Open Firefox > Menu > Options
*In the Options, click Advanced and then Network
*Choose Settings and then ’No proxy’ and click OK
*Restart Firefox and the problem should be fixedWhy Can’t I Download Firefox On My Mac4. Validate the security certificateHow Do I Download Firefox On My Macbook Pro
In case Firefox shows you that it has troubles validating some website’s security certificate, it might be related to improperly set date and time on your system. Just make sure your timezone settings in System Preferences > Data & Time are configured correctly and Firefox should go back to validating the website certificate normally.5. Flush DNS cache
Another option you can try is flushing the DNS cache, which acts as a temporary database, storing all sorts of connectivity logs and website access attempts.
*Open up the Terminal utility
*Type sudo killall -HUP mDNSResponder;say DNS cache has been flushed
*Press Enter and type your admin password when prompted
*An alert a few moments later will inform you that the process is complete
Combine flushing the DNS cache with clearing out cache and cookies from Firefox, and restarting your Mac to get the best result.6. Disable DNS prefetching
If you are still experiencing troubles loading websites, it could be that DNS prefetching is at play. Usually Firefox tries to speed up loading new websites by using DNS prefetching, but it can also cause loading errors with some system configurations. To disable DNS prefetching:
*In the address bar, type about:config and press Return. The about:config ’This might void your warranty!’ warning page may appear. Click ’I accept the risk!’ to continue.
*Hold down the Ctrl key while you click on the list of preferences. Select New and then select Boolean.
*In the ’Enter the preference name’ field, enternetwork.dns.disablePrefetch and click OK.
*Select True when prompted to set the value and click OK.7. Scan your Mac for malware
The last step to try to fix the website loading issue is to check your system for malware. If you remember Firefox being haunted by ad pop-ups, toolbars you didn’t install yourself, or a new default home page, you might have picked up some malware that’s hijacking your browser sessions.
A simple malware tool for Setapp users is CleanMyMac Malware Removal tool. It’s a free download, with a pro license for more active, real-time protection. The free product will however scan your Mac and safely remove any malware at no cost to you.Firefox doesn’t work as it should
When your Firefox is just generally behaving incorrectly, a few more tips might
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