Modrá obrazovka

Dobrý den. Poslední dobou mi padá systém. Program WhoCrashed mi hlásí, že je to vinou Štítu Avastu:
On Fri 1.2.2013 12:28:22 GMT your computer crashed
crash dump file: C:\Documents and Settings\David\Dokumenty\Cache\Zálohy\Mini020113-01.dmp
uptime: 00:22:30
This was probably caused by the following module: aswtdi.sys (aswTdi+0xE52)
Bugcheck code: 0x100000D1 (0xC, 0x2, 0x0, 0xFFFFFFFFA85D8FA9)
Error: CUSTOM_ERROR
file path: C:\WINDOWS\system32\drivers\aswtdi.sys
product: avast! Antivirus
company: AVAST Software
description: avast! TDI Filter Driver
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: aswtdi.sys (avast! TDI Filter Driver, AVAST Software).
Google query: aswtdi.sys AVAST Software CUSTOM_ERROR
Kdyby někdo věděl, co s tím, dejte mi vědět.

Pošlete mi prosím tento soubor: C:\Documents and Settings\David\Dokumenty\Cache\Zálohy\Mini020113-01.dmp
na email kurtin@avast.com, děkuji.