How do i fix Firefox problems on Windows 10?

Firefox issues can be problematic, and prevent you from using your browser. As for issues, we’ve complied a list of common problems that users reported with Firefox:

• Firefox won’t open – This issue can occur if there’s a problem with your Firefox profile. To fix it, simply recreate the profile and check if that solves your issue.
• Firefox too slow, using too much RAM – High RAM usage can occur due to your extensions, so be sure to disable all extensions that you don’t need and check if that helps.
• Firefox high CPU usage – Sometimes high CPU usage can appear and cause issues with Firefox. This can be due to your antivirus, so be sure to disable it temporarily.
• Firefox keeps crashing, freezing, not responding – Sometimes your configuration can cause problems with Firefox. However, you can fix that problem simply by starting Firefox in Safe Mode.

1. Check your antivirus

If you’re experiencing Firefox issues on your PC, the issue might be your antivirus software. Several users reported that HTTPS Scanning feature in Avast caused issues with Firefox, but you can fix this problem by doing the following:

1. Open Avast from and choose Settings in the bottom left corner.
2. Choose Components > Web Shield.
3. Now click Customize button.
4. Uncheck Enable HTTPS Scanning option and save changes.

If you’re using a different antivirus software, you might want to try disabling this or other similar features in it. In case that doesn’t work, your next step would be to completely disable your antivirus software.

Several users reported that this wasn’t effective, and according to them, they managed to fix the issue by removing their antivirus altogether.

If removing the antivirus solves your problem, you should consider switching to a different antivirus solution.

2. Disable problematic add-ons

1. Open Firefox and click the Menu button in top right corner.
2. Choose Add-ons from the list.
   
3. Click the Extensions tab on the left. List of installed extensions should open.
4. Now disable all extensions by clicking the Disable button.
   
   
   
5. Restart Firefox and check if the issue is resolved.
6. If the problem is fixed, you can try enabling extensions one by one until you find the one that is causing you problems.

If you can’t open Firefox at all, it’s always a good idea to run it from Safe Mode. To access Safe Mode do the following:

1. Press the Start button, click the Power button, press and hold Shift on your keyboard and choose the Restart option.
   
   
   
2. Once your computer restarts, choose Troubleshoot > Advanced options > Startup Settings and click the Restart button.
3. After your computer restarts again press F5 to choose Safe Mode with Networking.
4. When Safe Mode starts, try disabling any extensions from Firefox by following the steps above.

3. Start Firefox in Safe Mode

1. Locate the Firefox shortcut on your desktop, hold the Shift key and double-click it.
2. When the dialog box appears, click Start in Safe Mode button.
   
   After doing that, Firefox should start in Safe Mode. If the issue doesn’t appear in Safe Mode, it’s possible that one of your extensions or settings are causing this issue.

4. Reinstall Firefox

If Firefox issues are interfering with your work, perhaps you should try reinstalling Firefox. Sometimes your installation can get corrupted, and that can cause various issues. However, you can fix that problem, simply by reinstalling Firefox.

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How to recover firefox bookmarks from a MAC hard drive?

Bookmarks provide a way to quickly access websites you saved to your Firefox "Bookmarks" menu. You can export your Firefox bookmarks from the Bookmarks library provided you can still access the browser. If the browser no longer opens and you need to reinstall Firefox, you can make a backup of your bookmarks straight from your hard drive. Firefox stores your bookmarks in a hidden folder on Mac OS X. To view the folder, you need to use a special keystroke when opening the Library menu.

Step 1

Click the "Bookmarks" drop-down menu and select "Show All Bookmarks" from the Firefox menu bar.

Step 2

Select the "Import and Backup Your Bookmarks" drop-down menu and choose "Export Bookmarks to HTML." The Import and Backup Your Bookmarks menu looks like a star.

Step 3

Click the "Save" button to save your bookmarks to the location designated in the "Where" field. Change the location by clicking the "Where" drop-down menu and selecting a new location.

Locate the Bookmarks Folder

Step 1

Click the "Finder" icon on the Dock to display the Mac OS menu bar, if necessary.

Step 2

Hold down the "Option" key while clicking the "Go" menu followed by the "Library" option in the drop-down list. Make sure to hold down the "Option" key for the entire sequence. If you let go of the Option key, you can't access the Library.

Step 3

Click "Application Support" while in list view, or double-click "Application Support" in icon view.

Step 4

Open the "Firefox" and "Profiles" folders. Then, open the folder with the word "Default" in the filename.

Step 5

Select the most recent file with the word "Bookmarks" in the name. The date displays as part of the filename and in the Date Modified column.

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Restore Bookmarks Firefox

Steps to restore bookmarks Firefox :

1. Open Firefox and click on Bookmarks in the tool bar.

2. Click on Show All Bookmarks.

3. Click on Import and Backup.

4. Click on Import Bookmarks from HTML. It will take you to your computer.

5. Locate this file, highlight it and click on Open button.

6. Click on "Bookmarks" on your Firefox tool bar to make sure your bookmarks are restored.

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How to restore bookmarks firefox?

Firefox automatically creates backups of your bookmarks and saves the last 15 backups for safekeeping. This article describes how to restore your bookmarks from the automatic backups that Firefox creates, how to save and restore your own bookmark backup files, and how to move your bookmarks to another computer.

Backup and restore

Manual backup

1. Click the Library button  on your toolbar. (If you don't see it there, click the menu button  then click Library.) Click Bookmarks and then click the Show All Bookmarks bar at the bottom.
2. In the Library window, click the Import and Backup button and then select Backup….

3. In the Bookmarks backup filename window that opens, choose a location to save the file, which is named bookmarks-"date".json by default. The desktop is usually a good spot, but any place that is easy to remember will work.

4. Save the bookmarks json file. The Bookmarks backup filename window will close and then you can close the Library window.

Restoring from backups

1. Click the Library button  on your toolbar. (If you don't see it there, click the menu button  then click Library.) Click Bookmarks and then click the Show All Bookmarks bar at the bottom.
2. In the Library window, click the Import and Backup button and then select Restore.
   
3. Select the backup from which you want to restore:
   • The dated entries are automatic backups.
   • Choose File… lets you restore from a manual backup (see above).
4. After choosing a backup, your bookmarks from that file will be restored. Close the Library window.

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How to fix firefox running slow?

Solution 1 – Change your power settings to High Performance

Many users reported that Firefox is running slow on their PC, and this issue is most often caused by your power settings. According to users, Windows 10 sometimes changes your power plan to Power Saving once your upgrade to it, so it’s advised that you change your settings to High Performance. To do that, follow these steps:

1. Press Windows Key + S and enter power settings. Choose Power and sleep settings from the menu.
   

    2. Now select Additional power settings.

3. Once the Power Options window opens select High Performance profile.

We have to mention that switching to High Performance mode will drain your battery faster due to increased power consumption, but Firefox should be working without any slowdowns.

Solution 2 – Switch to a different theme

This is a possible workaround, but few users reported that it works, so you might want to try it. According to users, switching to a different, less demanding theme fixes issues with slow Firefox on Windows 10. Users reported that using a theme such as High Contrast theme fixed all slowdown issues for them.

By changing the default theme to less demanding one, Firefox might not look visually appealing, but it should work faster than before. To change your Firefox theme do the following:

1. Open Firefox and click the Menu button in the top right corner and choose Add-ons.

      2. Select Get Add-ons tab on the right and click Featured themes.

      3. Try to find a simple theme that won’t use too much of your resources and install it.

Solution 3 – Check your antivirus

If Firefox is slow on your Windows 10 PC, the problem might be your antivirus. Antivirus tool is a necessity, but sometimes your antivirus can interfere with your web browser and cause slowdowns. Many antivirus tools also tend to install various extensions in order to offer extra protection, but these extensions can also slow down your browser.

If Firefox is running slow, be sure to remove any extensions that are installed by your antivirus. These extensions aren’t mandatory, so you can disable or remove them without fear. In addition to extensions, you might want to check your antivirus settings and see if modifying your settings fixes the problem. Several users reported that disabling Active Protection feature fixed the problem for them, so you might want to try that.

Solution 4 – Change your settings

If your Firefox is running slow, the problem might be your settings. Sometimes certain Firefox services can interfere with Firefox and cause slowdowns to occur. However, you can fix that by doing the following:

1. Click the Menu button in the top right corner and choose Options from the menu.
   

2. Select Privacy & Security from the menu on the left. Now scroll down to Permissions section and make sure that Prevent accessibility services from accessing your browser option is disabled.

After disabling this option, check if the problem with Firefox is resolved.

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How to make firefox your default browser?

If you have more than one web browser installed, any links that you click on will automatically open in your default browser. This article shows you how to make Firefox your default browser.

1. Click the menu button  and select Options.
2. In the General panel, click Make Default….

    3. Close the about:preferences page. Any changes you've made will automatically be saved.

   

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Fix firefox is already running but is not responding

End Firefox processes

If Firefox did not shut down normally when you last used it, Firefox might still be running in the background, even though it is not visible.

If you try to open it while it's running, an error message will appear with the option to click Close Firefox. If that doesn't solve the problem, restart your computer or try the following options.

Use the Windows Task Manager to close the existing Firefox process

1. Right-click on an empty spot in the Windows task bar and select Task Manager (or press Ctrl+Shift+Esc).
2. When the Windows Task Manager opens, select the Processes tab.

    3. Select the entry for firefox.exe (press F on the keyboard to find it) and click 

End Process.

4. Click Yes in the "Task Manager Warning" dialog that appears.

              5. Repeat the above steps to end any additional firefox.exe process, if more than one                       entry is found, then exit the Windows Task Manager.

              6. Start Firefox normally.

Initialize the connection to a file share

If you store the profile on a file share, try accessing the file share beforehand using Windows Explorer.

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