Blue Screen of love..

[Apex]

Hey Everyone.
ive been geting blue screens of love, ive recently formated my pc, i did get them before. last night i got 2 when just browsing the web (use firefox) and closed a tab etc, always when i close somin it seems.

This is the error:

Driver_IRQL_NOT_LESS_OR_EQUAL

Technical infomation
*** Stop: 0x000000D1 (0XCE2F6790,0X00000002,0X00000000, 0XB895BFCE)
***HTTP FILT.DLL - Address B895BFCE Base atB895A000, Datestamp H076A22A

This is me system :
P4 3.0
Abit Max3 IC7-G mobo (1.6 bio i think)
Corsair 1GB DDR XMS4000XL Platinum TwinX
Radeon 9800 pro 128 (latest omega drivers)
Creative soundblaster live 5.1
some pci adsl modem speedlink i think.
XP PRO Service pack 1

So i dont no why its doing this, is it some driver error or something? hopfulyl someone can shed some light, thanks for reading.

Tizz.

What drivers you got installed ?

[pudds]

switch to kerio http://www.kerio.com/kerio.html

[kergareth]

Zone Alarm workz ok, but negatively impacts internet speed (that's just what i found, could be the comp though) Free too!