I can't get more than one window of Firefox to open no matter what I try. Help!
I recently had a virus and had to do a system restore to about a month ago. After the restore everything worked okay, except for Firefox. Now I can't open more than one Firefox window at a time and the window that is open is having a bunch of problems (right clicking won't open things into tabs, the back button isn't working, etc.). I've tried uninstalling and reinstalling Firefox, but that did nothing.
== Yesterday
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Start Firefox in Diagnose Firefox issues using Troubleshoot Mode to check if one of your add-ons is causing your problem (switch to the DEFAULT theme: Tools > Add-ons > Themes). See Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems and Troubleshoot issues with plugins like Flash or Java to fix common Firefox problems
If it does work in Safe-mode then disable all your extensions and then try to find which is causing it by enabling one at a time until the problem reappears. You can use "Disable all add-ons" on the Safe mode start window. You have to close and restart Firefox after each change via "File > Exit" (on Mac: "Firefox > Quit")