I use Firefox 16.0.2 and Flash 11.5 502 plugin keeps crashing. I switch to Chrome or IE and don't have any problems. If I uninstall Flash plugin then Firefox works fine - any suggestions as to what I can do? This has been happening for approximately two weeks and I keep awaiting for an update of Firefox assuming you know of the problem. I run AVG Free anti-malware , Zone Alarm firewall and Trusteer Rapport.
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philipp 5 months ago hello Allans, can you check if trusteer rapport is up to date. other users have reported that old versions of it might interfere with flash 11.3 and above & cause hangs or crashes. open the rapport console from the start menu & see if there's a new version available. also make sure that your other security software isn't sandboxing/or blacklisting firefox.exe, plugin-container.exe or FlashPlayerPlugin_*.exe in any way.
in case you can't solve the issue this way, you can also try downgrading to flash version 10.3, which is still supported.
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AliceWyman 5 months ago For more information and other suggestions, see this article: http://kb.mozillazine.org/Flash#Flash_Protected_Mode_issues_on_Windows_Vista_and_above