VPS won't update

Both the XP Security Center and Avast are reporting my VPS version as 0446-2 from November 11th. However when I try to update to 0447-1 through either the iAVS Update option or manually using vpsupd.exe, it says my VPS database is already up to date.

Is there a way to force an update?

I did a repair and now it shows the VPS version as 0447-1. This problem occurred after an upgrade to v4.5, so I’m guessing it was somehow related.