![]() ![]() Sudo apt-get -purge -reinstall install firefox To reinstall Firefox, removing global configuration files and getting the latest version available in any of the software sources configured on your Ubuntu system, run: sudo apt-get update ![]() That's one of the reasons to back up the whole profile.) Reinstall Firefox (from the latest version in any of your software sources) mozilla-you may have to remove a newly created. (If it makes no difference, you can rename. It's only when you have severe problems after upgrading that I recommend trying it. ![]() ( This article may help with that.)įinally, note that I'm certainly not advocating clearing your profile regularly, or even every time you upgrade Firefox. Therefore, if there's anything you want to save-often, this will be your bookmarks-you should back that up first, before you do this. But if its contents are keeping Firefox (or a recently installed newer version of Firefox) from working, then you may have trouble actually using them later! The idea behind renaming the folder instead of deleting it is so you can restore it. (Or put whatever you want to call it, in place of. On the command-line: Open a Terminal window ( Ctrl+ Alt+ T) and run the command: mv ~/.mozilla ~/.mozilla.old mozilla.old (or whatever you want to call it). Go to your home folder if you're not already there, and rename. Then you can see files and folders that start with a. In Nautilus (the GUI file browser): Press Ctrl+ H or click View → Show Hidden Files. mozilla that resides in your home folder. If you want to clear out your profile (which can fix many problems, especially problems relating to upgrading Firefox to a new version), then rename the folder called. If you still don't see it, reboot (or you may want to try running it with sudo too, thought that won't usually help). ![]() If you don't see firefox: no process found after the second killall command, run that second command again. If it doesn't appear to be running but appears in the list from ps ax, kill it by running killall firefox, waiting a few seconds, then running killall -KILL firefox. First make sure Firefox is not running: ps ax | grep irefox ![]()
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