Why is it that firefox 4 is constantly flickering? I do not just mean the flash, I mean the entire page. I would like to fix this issue, or else firefox 4 is completely unusable. Please help!

It is a really strange phenomenon. I have just upgraded to Firefox 4 an hour ago. The problem began as soon as the upgrade was finished. First I get a black screen, then the page will appear. However, when I move the mouse or scroll or anything, I get constant stuttering and flickering. I do not know what I am doing wrong, maybe my computer settings are wrong. I had to revert back to 3.6 in order to even get into the forumPlease help!

I had the problem with the flickering menus too. Turning off hardware acceleration "fixed" the problem.
Strangely enough, the flickering only is a problem on my secondary monitor. On my primary monitor, firefox 4 works even with hardware acceleration turned on.

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