After I updated to FF8.0 a few days ago, I noticed that the Back and Forward buttons did nothing... and then realised that opening a new URL in the same tab failed to lea… (read more)
After I updated to FF8.0 a few days ago, I noticed that the Back and Forward buttons did nothing... and then realised that opening a new URL in the same tab failed to leave any trace of the previous URL.
Having had bad experiences with all the major FF upgrades from 4.0 onwards, I decided to reinstall 3.6.17 which had been working perfectly. Back/Forward were fine then, BUT
(1) none of my add-on extensions worked at all, even though they were shown as enabled.
(2) when I tried to access the options for any extension, the Add-on window locked up completely.
(3) when I updated and tried to install extensions, the operation failed with a "203 error".
I tried reinstalling FF a couple of times without improving things and then did a Windows 7 Restore to the state before the FF8.0 upgrade. Still no joy!
I have checked my McAfee Security Centre and can find no problem there. What can I do to restore the correct operation without losing passwords, bookmarks, or plugins? I can accept losing all the current extensions as I can get them back once FF allows me to download and install them.
NOTE: ALL troubleshooting Information about extensions and print-related preferences deleted from box below - too big!