You’ll grab your session history files from your Firefox profile, input them into the recovery tool, and export the URLs. Use this volunteer-created session history recovery tool at your own risk. If neither of those options work and you still need to restore your Firefox tabs: More info → If that doesn't work, try this instead:Ĭlick Open Menu in Firefox (top-right button with three horizontal lines) and select History > Recently Closed Tabs or Recently Closed Windows. The library button looks like books standing vertically on a shelf. then install the downloaded installer, and repeat.In Firefox 87+ the Library and Home button may need to be dragged out of the Customize palette to the toolbar. If this still fails to function, delete Firefox and all accoutrements.

Put that on the flash.Ĭopy the files you saved and put them in their right spots. Now you need to find and download a version of FirefoxĪnd use the box to pick the version one older than the one you want, then download the one you want. Then under the star, pick Backup and do a. Just option-copy the entire fault folder and save it to a flash drive

If you do, you can copy FF profile & bookmarks Hopefully you have a bootable backup of your computer with a Firefox version that was functional. This happened to me when I tried to update to FF 72.0.2 a while back. Applications/Firefox.app/Contents/MacOS/firefox -ProfileManager Applications/Firefox.app/Contents/MacOS/firefox -P Applications/Firefox.app/Contents/MacOS/firefox-bin -P Has anyone solved this? Even while following the documentation, I get the same error window, regardless of the command that I run.

MAC Your Firefox profile cannot be loaded.

How to run Firefox when your profile is missing or inaccessible.

I've also combed through this SO post to no avail. I've followed Mozilla's official guide for 'How to run Firefox when your profile is missing or inaccessible'. ~/Library/Caches/Firefox/Profiles/ # Doesn't exist ~/Library/Application Support/Firefox/ # If I rename this to a backup file, this get replaced on an attempted FF launch Applications/Firefox.app/Contents/MacOS/firefox -full-version My Firefox install broke right after I first ran a version of CleanMyMac X.

Reinstall firefox profile os x