firefox won't open, when trying to delete old profile get a message saying that a file is open but there isn't - where can I find this file?
I try to open firefox but nothing happens. I've followed the instructions about using profile manager but it won't open. Then I found info about using %appdata% and deleting firefox folder but it won't delete because I get a message saying that there is a file open that is using the firefox folder. But this is after a shutdown so how can a file be open. I get some info that says the file was created on 21/02/2015. How can I find this file - stop it - and get back to using firefox again?
Additional System Details
- User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36
Use these links to create a new profile. Use this new profile as is. Is the problem still there?
Type about:profiles<enter> in the address bar.
Did you try to start Firefox in Safe Mode in case that would work?
- Windows: hold down the Shift key while starting Firefox
- Mac: hold down the Options key while starting Firefox
Boot the computer in Windows Safe mode with network support to see if that has effect in case security software is causing problems.