Firefox plugin container has stopped working massage

Question

this massage will appear if i want to play a 3d games on internet like Contract Wars
and this is really anoyying (sorry bad english)
my laptop is LenovoG470
intel core i3
radeon Graphic
Thats all i know
Problem signature:
Problem Event Name: APPCRASH
Application Name: plugin-container.exe
Application Version: 30.0.0.5269
Application Timestamp: 53914233
Fault Module Name: webplayer_win.dll_unloaded
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 536a098f
Exception Code: c0000005
Exception Offset: 056a5430
OS Version: 6.1.7600.2.0.0.256.1
Locale ID: 1033
Additional Information 1: 0a9e
Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
Additional Information 3: 0a9e
Additional Information 4: 0a9e372d3b4ad19135b953a78882e789
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Answer 1

HI Starlet sky,
Its a pleasure to meet a fellow 3d gamer. Since the plugin that crashed was:
webplayer_win.dll_unloaded
You can clear the cache and see if this helps prevent future crashes, but that might not be the only cause.
Other things to consider:
* Your plugins and extensions are not update: Shockwave Flash 11.7 r700 - needs to be 14
* Update all your media extensions and plugins, this will help the performance. also look at hardware acceleration after updating your graphics card and extensions [[Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems]]
Once this is done, please try to access the game a gain and report back! It could help other users, thank you!