I am a BETA tester for Firefox and it is the preferred browser for ANGEL (ANGEL is the online class management format used by my college, It is similar to Blackboard.com) . The most recent version 16 upgrades in the last month have caused a problem with the text-box reply system within ANGEL. The upgrade does not allow the option to reply or post in the text area within the class system or the ANGEL email system. I received a notice today on ANGEL to disable the auto-updates as 17 is causing this problem. I had the problem earlier around 9/13/2012 when 16 beta 3 installed. I would like to be able to roll back Firefox to that point. Or should I just uninstall and reinstall 16?