The Troubleshooting Information tab will open. From the Help menu, select Troubleshooting Information More Troubleshooting Information. Click the menu button, click Help and select Troubleshooting Information More Troubleshooting Information.You can try updating your graphics drivers to see if that fixes it or simply run without hardware acceleration.įirefox may be slow to respond or hang if multiple copies of its Session Restore file have been created: If the problem is no longer happening, then hardware acceleration was likely the cause. Uncheck Use hardware acceleration when available.Under Performance, uncheck Use recommended performance settings.Click the menu button and select Settings. Click the menu button and select Options Preferences. In the Menu bar at the top of the screen, click Firefox and select Preferences. You can try turning off hardware acceleration to see if it fixes the problem. With some graphics card and graphics driver setups, Firefox may hang when using hardware acceleration. Your browsing history will be lost but Firefox will automatically import your bookmarks from the most recent backup file. When Firefox reopens it will create a new places database.To rename a file, right-click on it and select rename from the menu click on it once to select it and then click a second time on the file name to make it editable.In the Firefox profile folder, find and rename the files places.sqlite to and places.sqlite-journal to (if it exists).
Click the Firefox menu at the top of the screen and select Quit Firefox. Click the Firefox menu and select Exit.
Note: If you are unable to open or use Firefox, follow the instructions in Finding your profile without opening Firefox. To resolve hanging problems not specifically mentioned in this article, or if the suggested solutions do not solve the problem, see Troubleshoot and diagnose Firefox problems.
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