I noticed that there are two tags for Microsoft Virtual PC, of which one is virtual-pc (some 300 questions) and the other is windows-virtual-pc (7 questions). Windows Virtual PC is referring to a specific version of Microsoft Virtual PC. The latter tag should be a synonym of the former.

I noticed that there are two tags for Microsoft Virtual PC, of which one is virtual-pc (327 questions) and the other is windows-virtual-pc (7 questions). Windows Virtual PC is referring to a specific version of Microsoft Virtual PC. The tags should be merged into a central tag, say microsoft-virtual-pc.