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Flash causes Firefox to slow down and even freeze (and on a gaming laptop, too). How to fix this?

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New Contributor

Flash causes Firefox to slow down and even freeze (and on a gaming laptop, too). How to fix this?

Every time I use the Flash plug-in (for videos on YouTube or PutLocker or whatever), FireFox just slows down a lot and even freezes. It happens very often now and it's really annoying.

By the way, I am using a gaming laptop so I am not sure why I am having these problems. My Flash plug-in and firefox are updated to the latest versions, too.

My specs: Windows 7 Home Premium Intel i7-2670QM CPU @ 2.20GHZ (8 CPUs) nVidia GTX 560m 3GB vRAM dedicated 16GB RAM

21 REPLIES
New Contributor

Re: Flash causes Firefox to slow down and even freeze (and on a gaming laptop, too). How to fix this?

Just to check, does your CPU usage spike too? Try checking it with your system monitor. This used to happen to me and the problem lay with flash. You should try uninstalling flash fully using add/remove programs and then reinstalling from Adobe's website. Get the download from here:

http://get.adobe.com/flashplayer/

I hope this helps. In my case, I had done the same thing and it worked fine from then on.

Legendary Contributor

Re: Flash causes Firefox to slow down and even freeze (and on a gaming laptop, too). How to fix this?

Hi AdelaisAer,

First try to Turn off hardware acceleration in Firefox and "disable the hardware acceleration" in the Flash Player too :

http://helpx.adobe.com/flash-player/kb/video-playback-issues.html

http://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html

also try to Disabling Protected Mode in Flash (the link is for 11.3, do the same for 11.4), see the same in "Last resort" in the next link from adobe forum http://forums.adobe.com/thread/1018071?tstart=0


thank you

New Contributor

Re: Flash causes Firefox to slow down and even freeze (and on a gaming laptop, too). How to fix this?

Disabling Hardware Acceleration didn't really work. I'll try to just uninstall Flash and do a clean install. I'll update as I go along and see if it solves anything.

EDIT: It still does it a bit. Smiley Frustrated

New Contributor

Re: Flash causes Firefox to slow down and even freeze (and on a gaming laptop, too). How to fix this?

Okay, so I uninstalled and reinstalled it. That helped only for about ten minutes and it started doing it again.

I don't know what else to do. Smiley Frustrated

Legendary Contributor

Re: Flash causes Firefox to slow down and even freeze (and on a gaming laptop, too). How to fix this?

Try to Downgrade to Flash 10.3 , but as the suggestions in the link said uninstall first uninstall Flash with uninstaller provided by Adobe (it is in the link) and then download and install 10.3

[the 10.3 flash is updated before 6 - 7 days(https://support.mozilla.org/en-US/forums/contributors/708573?last=48772#post-48758)]


thanks again

New Contributor

Re: Flash causes Firefox to slow down and even freeze (and on a gaming laptop, too). How to fix this?

Actually, I think it might be FireFox, because sometimes it slows down or freezes even without me using a Flash video. Like, I'd open a link in a new tab (something simple, like TD Bank or Google) and the tab wouldn't appear and the window would freeze. Smiley Frustrated

Legendary Contributor

Re: Flash causes Firefox to slow down and even freeze (and on a gaming laptop, too). How to fix this?

Try to rename or delete the files places.sqlite and places.sqlite-journal (if exists), see how to do that easily :

Firefox hangs at random times

also Delete duplicated Session Restore files


thanks again

New Contributor

Re: Flash causes Firefox to slow down and even freeze (and on a gaming laptop, too). How to fix this?

I deleted places.sqlite and duplicate session restore files. It still seems to do it. Smiley Frustrated

New Contributor

Re: Flash causes Firefox to slow down and even freeze (and on a gaming laptop, too). How to fix this?

On top of this problem, a new one arises - sometimes, flash videos just randomly restart mid-way. o-O;