There are over 15,000 files on my friend's computer and she downloaded the trial version of TDS-3 and updated the two files needed from the website to have the latest files. When we do a full system scan on her computer TDS only scans 8700 files. Why doesn't it scan all 15,000 files? I'm worried it might be missing Trojans because it's not scanning all the files or is this how it's supposed to work (only scanning certain files-please explain). (I have the registered version and update the files each time I run TDS-3 and the same thing happens to me ... only scans about 30,000 files on my computer with about 40,000 files on it). TIA for any help you can give.