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Windows 7 Home Premium, SP1. Firefox began freezing "Firefox is not responding" while watching videos using flash, immediately after FF Release 40 installed. I tried al… (funda kabanzi)
Windows 7 Home Premium, SP1. Firefox began freezing "Firefox is not responding" while watching videos using flash, immediately after FF Release 40 installed. I tried all the "fixes", FF safe mode, Flash in unprotected mode, refresh FF (and rebuild tool bar, and get back classic theme), hardware acceleration, etc. I did not have any problems using IE with Flash (Active X) on the same videos. FF support told me the problem was having two Flash Players, and to uninstall both, using Adobe's uninstall tool. Since videos on my laptop are my only form of entertainment, I was reluctant to uninstall Flash for IE, when it was working Fine. My solution was to stop using FF for videos, and use IE. With FF release 41, FF began freezing on all websites using any flash content. I really like FF, and it is my preferred browser, but it became totally unusable.
As a last gasp try to fix the constant "Firefox is not responding" problem, I set FF to not update automatically (check for updates,but let me choose whether to install), and I installed FF 38.0.5. I know that someone will comment that doing this is not advised, and that it will leave me vulnerable to attack. I have since watched about 30 hours of video without a single "Firefox is not responding", or a flash crash. I use Norton as anti virus, so I'm not sure how protected I am, but I am happy to be able to use FF again. The "About Firefox" page in help shows me on 38.0.5, and has a button to allow update to the current release, so I am confident going back to the current release would be easy.
I have to wonder what in FF 40 and 41 was causing the problem? I think that problems actually started with FF 39 with Flash crashing constantly, and changed to FF freezing with release 40. Here is a link to my earlier post about the freezing https://support.mozilla.org/en-US/questions/1079195#answer-770460
I may have unique variables, Windows 7, FF and Flash, Comcast Internet, Xfinity online, but with the freezing occurring on any website using flash content, and the problems going away after down grading to FF 38, I have to think the problem is within FF ?
Thanks, and it is so nice to be able to use FF again!