Windows 7 - FireFox = Instant BSOD on 2 different Comps.

Hi

I have a problem. FireFox on both my laptop and my stationary comp triggers a BSOD instantly when started.
The stationary runs Windows 7 Ultimate RTM 64-bit and the laptop Windows 7 Pro Retail 32-bit, both from MSDNAA.

BSOD: BAD_POOL_HEADER

Firefox version is 3.5.2 I think.

Atleast on the laptop FireFox runs fine on XP.

I have Reinstalled FireFox (not saving anything, clean version) to no avail.

Since it's the same exact Blue screen on both machines I'm ruling out any hardware-problem.

Yesterday everything worked flawlessly on both computers.
6 hours ago FireFox stopped working on my laptop.
It still worked on my stationary until 30 mins ago when I rebooted it and it started there too.

I've searched all harddrives on the laptop with Macbytes MalwareBytes, SpyBot Search & Destroy and Avast! anti-virus with no results.

My guess is that some update to FireFox/Windows 7 all of a sudden made
this happen, which only came into effect when I rebooted.

Anyone else have this? How could I solve it?

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Please fill in your system specs so we know what we're dealing with...Help us help you

Please type event viewer in the search box .. open the application section and see if there are any critical errors listed... please post them if there are..

I've not experienced any issues with firefox myself, but I would recommend doing a search for Minefield. This is the daily build of Firefox and it's much faster on Windows 7 than Firefox 3.5 was. Nearly every plug in that I regularly use seems to work fine to.

Might get you past this problem.

Entered....
Event viewer has no critical errors liste but 341 "Info"'s and a few Warnings that has to do with forced restart when avast! downloaded stuff.

I just tried the latest Minefield, the same BSOD happend.
IE and Safari works fine though.