Well, I am experiencing the same issue as the original poster, I also have the same version, checked it using the method you stated above, so he/she is not alone - "someone" else does have that build... Maybe this build is only applicable for certain platform versions?
I will create a thread detailing my issues so they can be resolved if I cant find the answer through searching first.
I will say at this point that I have no iso's / rips in use, just original blue rays / hddvd's. I can remove the virtual drive error by closing anydvd and playing the discs.
Barry
We already know it's an issue which is why James has already stated he's working on it