Firefox 4 blacks out and distorts sections of the screen if I scroll on a website, navigate the bookmarks or sometimes just randomly.

Firefox 4 blacks out and distorts sections of the screen if I scroll on a website, navigate the bookmarks, at the addons/extensions menu or sometimes just randomly. Occasionally this causes it to crash often with the rest of the computer (no crash report). The previous versions of firefox all ran fine.

I seem to have fixed this by setting layers.acceleration.disabled to true (In about:config). I assume this is something to do with graphics hardware acceleration but I am not sure what the wider consequences of changing this setting are. Nothing seems to be going wrong so far though.

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    '''''thedanbot''''':
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