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After installing Adobe Flash Player Plugin to view videos on youtube, mozilla gets hangs intermittently. Please help

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I installed Firefox 23.0.1 and after that It asked me to install Flash Player Plugin to view videos on Youtbe. I installed Flash Player 11 Plugin and since then Mozilla started hanging/freezing intermittently. It hangs on those websites also where videos are not running.

I uninstalled Flash Player 11 Plugin and it works smoothly without it.

Please help

I installed Firefox 23.0.1 and after that It asked me to install Flash Player Plugin to view videos on Youtbe. I installed Flash Player 11 Plugin and since then Mozilla started hanging/freezing intermittently. It hangs on those websites also where videos are not running. I uninstalled Flash Player 11 Plugin and it works smoothly without it. Please help

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This is some standard guidance that addresses the most common reasons for Flash problems in Firefox:

(1) Make sure all recorders/downloaders that interact with Flash media are as up-to-date as possible, or disable them.

(2) Disable hardware graphics acceleration in Firefox and in Flash

(A) In Firefox, un-check the box here and restart:

orange Firefox button (or Tools menu) > Options > Advanced > General > "Use hardware acceleration when available"

(B) In Flash, see this support article from Adobe: http://helpx.adobe.com/flash-player/kb/video-playback-issues.html#main_Solve_video_playback_issues

(3) Disable protected mode (Windows Vista/7/8)

See this support article from Adobe under the heading "Last Resort": Adobe Forums: How do I troubleshoot Flash Player's protected mode for Firefox?

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Hi Jscher,

Thanks for prompt response bt it is not helping.

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Could you also try Firefox's Safe Mode? That's a standard diagnostic tool to bypass interference by extensions (and some custom settings). More info: Diagnose Firefox issues using Troubleshoot Mode.

You can restart Firefox in Safe Mode using

Help > Restart with Add-ons Disabled

In the dialog, click "Start in Safe Mode" (not Reset)

It might take a while to know whether there is any difference.

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Hi,

Even in safe mode also it hangs, without flash player i cant see vids on youtube and other things also... Seems I have to switch to other browser :(

@ Mozilla Staff: Please help to fix this issue.

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When it hangs, can you check the Windows Task Manager and check what you have listed on the Processes tab?

You can call up the Task Manager by pressing Ctrl+Shift+Esc

On the Processes tab, you should see firefox.exe and for playing Flash media, plugin-container.exe. With the Flash Player protected mode disabled, you should NOT see separate lines for Adobe Flash player processes.

Does the memory usage for Firefox or plugin-container on your system seem huge?

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Sorry I have an issue similar to mentioned in topic. Sometimes I use two windows: one over other for watching IPTV another for surfing, and when I minimaze the latter (error occasionaly occurs) Fierfox hangs up. Now I perform an example and attach it a bit later.