Would you please include the path to the file that NAV is fingering ?
This line needs to be finished C:\Progra
If it ends with \Program Files\Microsoft AntiSpyware\Quarantine then the
file has been Quarantined by MSWAS and can no longer harm the system.
You can Remove it by opening Quarantine from Tools, Spyware Scan, Manage
Spyware Quarantine.