I do agree - two antivirus programs on one system will lead to serious system slowness.
But all that will occur if you use HijackThis on those AntiVir services is to have HijackThis disable them fr ...
Likely not a BullGuard issue. That Stop error nearly always suggests hardware, especially RAM, though a failing hard drive has also been seen to create it. If it happens again, test your Ram.
C:\>e ...
Yes, TeaTimer, which can block both good and bad Registry changes, is usually the very first program needing to be disabled, so make sure it is.
Unfortunately, just having HijackThis only removed t ...