Flash Player lags Firefox but doesn't when I disable Shockwave Flash Plugin

On certain websites with Flash based web players my whole of Firefox lags like crazy. I have been trying to fix this issue for a while to no avail (Tried resetting, re-installing, etc.) It mostly happens when I move my cursor over the Flash player. After I move my cursor so somewhere else on the webpage (a non-Flash part) it start flickering between the default cursor and pointer (clicking finger icon)
Now today I decide to uninstall the Flash application from my PC and reinstall it. After I uninstalled the Flash player suddenly I have no stuttering issues on Firefox anymore! But of course some other Flash related application do not work anymore.
When I re-install the Flash player it goes back to stuttering and lagging. When I disable the Flash player plugin in about:addons the stuttering is gone.
Any help with this issue would be greatly appreciated. It has been bugging me for so long now that I have to use Chrome to visit certain websites...

Hello,
Some problems with Flash video playback can be resolved by disabling hardware acceleration in your Flash Player settings. (See [[Flash Plugin - Keep it up to date and troubleshoot problems|this article]] for more information on using the Flash plugin in Firefox).
To disable hardware acceleration in Flash Player:
#Go to this [http://helpx.adobe.com/flash-player/kb/video-playback-issues.html#main_Solve_video_playback_issues Adobe Flash Player Help page].
#Right-click on the Flash Player logo on that page.
#Click on '''Settings''' in the context menu. The Adobe Flash Player Settings screen will open.
# Click on the icon at the bottom-left of the Adobe Flash Player Settings window to open the Display panel. <br/> <br/>[[Image:fpSettings1.PNG]] <br/>
# Remove the check mark from '''Enable hardware acceleration'''.
# Click '''Close''' to close the Adobe Flash Player Settings Window.
# Restart Firefox.
This [http://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html Flash Player Help - Display Settings page] has more information on Flash Player hardware acceleration, if you're interested.
Does this solve the problem? Let us know.

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