Hi Lees,
You can delete them from the Chest, but the location you give for the original file location is a windows protected folder used by System Restore so I would also recommend that you disable system restore, reboot and scan to ensure that your system is clean, if so then enable system restore.
Win XP ME - How to disable
System RestoreAs you say the pav.sig stuff is not a virus, but the signature of the virus file. I would stop using PAV's online scanner and remove it from your uninstall/system and use one of the other online scanners scuh as Trend Micro's Housecall, this at least encrypts its siignature files so they don't cause false positive hits.
You will find the Links Thread useful -
Links Thread HTH David
Edit you wait for a bus and along comes two at once