

I ran it from time to time to check for updates, and the latest update today resolved the issue. The core benefit for me was that I could simply switch to Aurora without touching the Nightly version at all. I decided to use Firefox Aurora in the meantime, but the second option would have worked as well. It did not, which left me with two options: use a different channel of Firefox in the meantime or go back to the Nightly version that worked just fine. I was not too worried about that at the time as I knew that Nightly versions of the browser sometimes had hiccups like this, and that the next update would likely fix the issue again. I got weird black bars on the screen that would move around on mouse movement and made it impossible to work with the browser at all. ”/firefox -profilemanager” to open the Profile Manager.My Firefox Nightly version that I have been running for some time now received an update two days ago that rendered it completely unusable. For Linux, open the terminal execute cd (Change program directory) then type in.For Windows hold the ⊞ Win+ R to open the Run window, then in the run prompt enter in “firefox.exe -ProfileManager” to open the Profile Manager.For Mac users, run the terminal and enter in “firefox -ProfileManager” to open the Profile Manager.Restart Firefox for your changes to take effect. Place the contents of the profile with the content from your backup folder. X Research source This will create a new profile with a new profile window. Create a new profile by following the prompts given by Firefox. Then execute the “Run” or the command prompt of your operating system to run the Profile Manager. Make sure Firefox is not currently running. If you want to move your profile to a different computer or if you reinstalled Firefox, transferring your old profile will require you to create a new profile.

Restore your profile content to a new installation of Firefox.
