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Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

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New User

Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

On today's morning(06.09.2012) I updated my Flash Player to 11.3.300.257 and then launched Firefox. As soon as a site started to appear in browser, Firefox frozen.

So I launched with all add-ons disabled and managed to confirm that Firefox freezes only when Shockwave Flash plugin is enabled

I tried to uninstall and install Flash Player, tried to mess with plugin container, but nothind helped

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Site Moderator

Re: Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

Does it help if you disable protected mode in the Flash player?

18 REPLIES
Site Moderator

Re: Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

Does it have any effect if you disable all extensions (Tools > Add-ons > Extensions) ?

Start Firefox in Troubleshoot Firefox issues using Safe Mode to check if one of the extensions or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance/Themes).

New User

Re: Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

I disabled all add-ons and themes. Altough it didn't freeze immediately after launch but with small time after, it froze again.

Site Moderator

Re: Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

Does it help if you disable protected mode in the Flash player?

New User

Re: Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

Thank you, it worked. However, are there any downsides of that solution?

Site Moderator

Re: Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

You will have less protection against malicious Flash files.

See:

New User

Re: Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

Any thoughts on that? Will there be fixes for this issue?

New User

Re: Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

As someone with less experience with these things I have to ask about the instructions: To disable, add the following line to your mms.cfg file - ProtectedMode = 0

Should that read as mms.cfgProtectedMode = 0 or mms.cfg ProtectedMode = 0 ?

New User

Re: Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

1. Locate the file "mms.cfg" on your hard disk at specified path. If it doesn't exists then create one. Make sure you specify proper extension. 2. Add "ProtectedMode = 0" in the end of the file.

Site Moderator

Re: Since I updated Flash Player to 11.3.300.257 today(06.09.2012), it freezes on launch.

You also need Administrator permissions to be able to edit the file in that location.