From the looks of things, you're unable to scan the encrypted Spybot quarantine files in c:\Documents and Settings\All Users\Application Data\Spybot - Search & Destroy\Recovery, because they aren't using NTFS's EFS functionality and use some other form (i.e. FineCrypt or a binary encrypter like yoda's Crypter). I know that the NOD32 system is able to scan for viruses in certain encrypted programs.
It had trouble deleting the toptext adware program too, by my guess because it's running or something (you should try booting into Safe Mode and running Spybot or a similar program, VirusScan will not run in Safe Mode).
Finally it looks like XP's System Restore is archiving viruses in its restore files, which it is prone to do.
UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)
Laptop: Turion 64 X2 @ 2GHz, 2GB DDR2-667, 100GB HD, ATI Radeon X300, 15" LCD, Seven Ultimate RC