You shouldn’t get any warnings this time because with that cache cleared out the browser should load your profile just fine. Running it should take literally a second or two, so once it’s cleared out start the Mozilla Firefox Web browser again.Any pertinent material that this command clears out will automatically get repopulated as soon as you launch your browser again. Thunderbird cache files live in this same directory, so this command will clear them out in one fell swoop as well. Push enter and while you won’t see any output, you can be sure that the files were deleted since you don’t need root access to clean them out.Once you’re done, run the following command from the terminal: If you get a message like “firefox: no process found,” then it’s safe to ignore because it just means that there weren’t any instances running.

You can also make sure there are no running instances of Thunderbird with the command killall thunderbird.

This makes sure that there are no running instances of the browser.

From a terminal window, type the following command:.

For Ubuntu: Method 1: Delete the Mozilla Cache We will start with Linux and work our way to Windows and then MacOS. We will iterate through all the platforms on which this problem is seen. It may be missing or inaccessible“, then this will fix that up too. If you’ve been getting any error when starting Thunderbird that reads something like “ Your Thunderbird profile cannot be loaded. cache/Mozilla directory inside of your home directory holds a bunch of junk files that get created each time you do some browsing and can be safely removed. There’s a simple way to clear out the cache without losing anything vital. This is frequently caused by the cache in your home directory getting corrupted, so you don’t need to start deleting your stored profile options. Most modern desktop-oriented Linux distributions have Mozilla Firefox as a default browser, so it can be really frustrating when you get the dreaded “ Your Firefox profile cannot be loaded” message.

Where to find firefox profile