Ok - I had a trojan try to take over my computer. It was trying to direct me to their brand of "spyware removal" software. I've run through everything in the Malware removal guide and everything seems to be working with one exception. I'm still having trouble booting consistently into Windows (XP Pro). It will get to the screen just prior to all of the user accountings showing and will just completely start over in the boot process. Sometimes it will show me the boot to the last known good state screen and sometimes not. In any case, it doesn't seem to make a difference what I choose at that screen. Safe mode doesn't boot any better than normal, and the last known good configuration doesn't make any difference either. With all of this being said, usually after several attempts, it will boot like normal and all is good until the next re-boot. I'm wondering if I have a hardware problem to go with my malware problems (terrible coincidence) or if my Windows installation is somehow corrupted?