When i scan my computer using the on demand scanner, NOD displays this error Error occured while scanning active boot sector of the 1. physical disk. Error reading sector. I'm not sure but i think this has something to do with the AntiCMOS virus that was on a floppy that i was trying to boot a virtual pc off. NOD when doing a full system scan doesn't detect the virus so how do I know if it infected my computer or not and how do i resolve the error issue? I know the disk had the virus because after unsuccessful attempts to boot off it, i opened it on the host machine to view the contents and NOD displayed the virus prompt.