An XP and security question

[mrcoons]

I've been helping a friend recover from a Trojan infection that was discovered during the install of Win XP Home.

During this process it made me reflect on my on PC setup. I am very faithful about keeping my NAV updated and scans run. Same for my firewall and my spy software (AdAware and Spybot). But here is my question:

If I somehow get a virus of some sort on my PC and it blocks my access to the internet (as my friends situation was) and access to NAV scanning, how do I scan my PC for the virus.

Under previous versions of NAV you could create Rescue disks so that you could scan your PC at start up. But NAV does not have that feature on XP. So what do you do?

This may seem like a silly question to some but after helping my friend this week I have found it to be a very possible scenario and was wondering what better minds than mine think about this.

Thanks.

[Play_The_0dds]

you can download several types of virus scanners that can run from floppy, if you can boot into safe mode you can run, for example the stinger made by mcafee, it is a broad spectrum virus/trojan remover. you can look up others that scan from a dos boot.
http://vil.nai.com/vil/stinger/

[mrcoons]

Can anyone suggest a tool like Stinger that can be run on XP or Win2000 from a CD?

[Play_The_0dds]

burn stinger to cd, it will run on any windows platform, it is a stand alone program. it doesnt need to be installed and can run from a cd or floppy.