Manually update your Avast anti-virus versions.
[License: Freeware| Requires: Win All | Size: 4.9 Mb]
avast! Virus Definitions 4.x VPS 0653-5 5.12.2006
[License: Freeware| Requires: Win All | Size: 4.9 Mb]
avast! Virus Definitions 4.x VPS 0653-5 5.12.2006