Is Firefox supported by Mountain Lion OS?
I recently upgraded to Mountain Lion and my Firefix browser is no longer operative is there a new version to download to be compatible with Mountain Lion OX?
Cesar
Opaite Mbohovái (1)
In what way is Firefox no longer operative?
Did you try to uninstall (trash) Firefox and reinstall the Firefox application?
Create a new profile as a test to check if your current profile is causing the problems.
See "Basic Troubleshooting: Make a new profile":
If the new profile works then you can transfer some files from the old profile to that new profile, but be careful not to copy corrupted files.
See: