Bsod driver_irql_not_less_or_equal

Hello Lexis and welcome to Sevenforums!

BSOD ANALYSE

BitDefender
A software called BitDefender on your machine is disturbing the system. If you don't know what it is or doesn't use it anymore, I would definitely delete it. If you're searching for valuable security solutions, go for stuff like MSSE.

Trickers & Bugcheck

Code:

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DRIVER_IRQL_NOT_LESS_OR_EQUAL (d1)
An attempt was made to access a pageable (or completely invalid) address at an
interrupt request level (IRQL) that is too high.  This is usually
caused by drivers using improper addresses.
If kernel debugger is available get stack backtrace.
Arguments:
Arg1: 0000000000000020, memory referenced
Arg2: 0000000000000002, IRQL
Arg3: 0000000000000000, value 0 = read operation, 1 = write operation
Arg4: fffff8800160e6af, address which referenced memory

LMVM

Code:

1: kd> lmvm bdfndisf6
start             end                 module name
fffff880`017aa000 fffff880`017d6000   bdfndisf6 T (no symbols)           
    Loaded symbol image file: bdfndisf6.sys
    Image path: \??\c:\program files\common files\bitdefender\bitdefender firewall\bdfndisf6.sys
    Image name: bdfndisf6.sys
    Timestamp:        Mon Nov 14 18:16:24 2011 (4EC14CE8)
    CheckSum:         00020F04
    ImageSize:        0002C000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4

Best Regards,
Frederik.