RetroSearch Browse

Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Showing content from https://support.mozilla.org/en-US/kb/troubleshoot-and-diagnose-firefox-problems below:

Troubleshoot and diagnose Firefox problems

Most problems with Firefox can be fixed by following the troubleshooting methods described below. Try these steps in order. If one doesn't work, move on to the next one. If you need extra help with any of this, we have a community of volunteers standing by.

1. Restart your computer

Sometimes problems can be fixed by simply restarting your computer and then starting Firefox again.

2. Clear your cookies and cache

Many problems with loading web pages can be resolved by clearing Firefox's cookies and cached Web content. To learn more, see Clear cookies and site data in Firefox and How to clear the Firefox cache.

To clear cookies and cache all at once:

Click the menu button to open the menu panel.
Click and select
In the Time range to clear: drop-down, select Everything.
Below the drop-down menu, select both Cookies and Cache. Make sure other items you want to keep are not selected.
Click Clear Now.

Click the menu button to open the menu panel.
Click and select
In the When: drop-down, select Everything.
Below the drop-down menu, select both Cookies and site data and Temporary cached files and pages. Make sure other items you want to keep are not selected.
Click Clear.

Firefox also has a startup cache that stores certain temporary data, to improve startup speed. Clearing the startup cache and then restarting Firefox can resolve various issues with the Firefox user interface (UI). This will not change your profile data or add-ons.

Click the menu button , click and select . The Troubleshooting Information page will open.
Under Try clearing the startup cache, click Clear startup cache… and then click Restart.

3. Restart Firefox in Troubleshoot Mode

Firefox Troubleshoot Mode is a diagnostic mode that disables extensions, uses the default theme, turns off hardware acceleration and uses default toolbar settings, among other changes (see this article for details). To start Firefox in Troubleshoot Mode:

Click the menu button , click , select and click Restart in the Restart Firefox in Troubleshoot Mode? dialog.

Note: You can also start Firefox in Troubleshoot Mode by holding down the Shift key while starting Firefox.holding down the option key while starting Firefox.quitting Firefox and then going to your Terminal and running: firefox -safe-mode You may need to specify the Firefox installation path (e.g. /usr/lib/firefox).
In the next Open Firefox in Troubleshoot Mode? dialog, click Open.
Check whether your problem is still happening while in Troubleshoot Mode.

If the problem still happens in Troubleshoot Mode, go on to step 4.
If the problem does not happen in Troubleshoot Mode, follow these instructions to troubleshoot extensions, themes, and hardware acceleration.

4. Reinstall Firefox

Some Firefox issues can be caused by a problem with one of the Firefox program files. Follow these steps to completely remove and reinstall Firefox. This process will not remove your Firefox profile data (such as bookmarks and passwords), since that information is stored in a different location.

Note: You might want to print these steps or view them in another browser.

Now start Firefox and check to see if your problem has been fixed. If it hasn't, continue with the next troubleshooting method.

5. Refresh Firefox The Refresh Firefox feature can fix many issues by restoring your Firefox profile to its default state while saving your essential information.

If you have many Firefox customizations, you may want to skip this step and create a new Firefox profile instead (see

step 6, below

) so that your old profile is easily recoverable from the

Profile Manager

Note

: When you refresh Firefox, your bookmarks, browsing history, open tabs, windows, passwords, cookies and web form auto-fill information will be saved. However, your extensions and themes will be removed and your preferences will be reset.

Learn more.

Click the menu button , click , and select .
Click Refresh Firefox… then Refresh Firefox in the confirmation window that opens. Firefox will close to refresh itself.
When finished, a window will list your imported information. Click the Finish button. Firefox will open.
Select whether you want Firefox to restore all or some windows and tabs, and click the Let's go! button.

6. Create a new Firefox profile

Sometimes files in your Firefox profile folder that correspond to the essential information that a Firefox Refresh doesn't remove (such as bookmarks and browsing history) may be causing the issue. You can create a new, additional profile which will not contain any of your old Firefox data. See the Profile Manager - Create, remove or switch Firefox profiles article for instructions.