I have a Lenovo computer less than one year old running windows 7, 64 bit....I am running 3.6.14 because.... ( drum roll please) I had the 3.16 version and then when fire… (tuilleadh eolais)
I have a Lenovo computer less than one year old running windows 7, 64 bit....I am running 3.6.14 because.... ( drum roll please) I had the 3.16 version and then when firefox 4 came out, I tried it and hated it, so went back ( after searching and finding file for old version) installed and kept it, then my daughter insists for security I update to 15.1 version, so yesterday I tried this, and it began crashing crashing crashing. She told me to take out all previous mozilla files, versions, I did, still crashing, then told me to try to install lower versions, I tried 5, 6, 7, 9, 11, 15 ALL to NO AVAIL! would not open unless in safe mode, even then wouldn't open after the higher version. I do NOT KNOW what else to do!! I am finally back to using the old version 3.6.14 only because I still had it on a flash drive and could find no other doorway into mozilla , I tried reinstalls ( and yes, logged out, turned off computer, back in, each time I uninstalled and reinstalled) spent hours trying to make it happen, apparently I cannot upgrade at all because its not working. I need to know step by step how to get to latest version but without losing all my bookmarks etc, I spent years getting those and my addons.