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Firefox 25 on Windows 7: Flash 11.9.900.117 freezes Firefox

Guest
Nov 01, 2013 Nov 01, 2013

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I have done the troubleshooting suggested by Mozilla https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding

Firefox works fine but as soon as any Flash content is started Firefox locks up and I have to close the process in Windows Task Manager.

I can't go into Flash settings and disable hardware acceleration because Flash freezes Firefox completely before that.

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correct answers 1 Correct answer

Adobe Employee , Nov 01, 2013 Nov 01, 2013
Could you try disabling hardware acceleration via your system's mms.cfg file?This will be located in your C:\windows\syswow64\macromed\flash folder (assuming that you are using a 64 bit version of Windows).  Simply open up the mms.cfg file with a text editor and add the following line:DisableHardwareAcceleration=1Save the file and try again.If that fails, I'd recommend reverting back to Flash Player 11.7 until this can be resolved.Where can I find direct downloads of Flash Player 11.7 for Windows or Macintosh?

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Adobe Employee ,
Nov 01, 2013 Nov 01, 2013

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Could you try disabling hardware acceleration via your system's mms.cfg file?

This will be located in your C:\windows\syswow64\macromed\flash folder (assuming that you are using a 64 bit version of Windows).  Simply open up the mms.cfg file with a text editor and add the following line:

DisableHardwareAcceleration=1

Save the file and try again.

If that fails, I'd recommend reverting back to Flash Player 11.7 until this can be resolved.

Where can I find direct downloads of Flash Player 11.7 for Windows or Macintosh?

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Guest
Nov 02, 2013 Nov 02, 2013

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That worked. The freeze is gone. Thanks!

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New Here ,
Nov 14, 2013 Nov 14, 2013

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This didn't work for me. I had no file named "mms.cfg" in my C:\windows\syswow64\macromed\flash folder. I created one and added the entry, but it didn't seem to work after I rebooted the system. I confirmed by going into the settings and it was still enabled.

Any suggestsions?

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New Here ,
Nov 15, 2013 Nov 15, 2013

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Nothing? You don't know or you don't want to help?

Just asking because it seems there have been a few of these questions which have gone unupdated.

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