i may not be the smartest in audio, or even close to it, but this a question to be answered by a computer guy...aka me
the problem you have is in the registry, or it seems, anyways when you updated or upgraded it made a mistake in the registry, and it uses the same place in the registry no matter wat place u install it, you might need a registry cleaning or mechainic program
a clean install of your OS would help but i highly recommend you DONT, but its the last choice if the registry is screwed up internally
this is mainly a windows problem as well, if you want help with this more deeply you can go to their website or microsoft.com, may seem daring to go to microsoft, but its not 40bucks an hour calls like the phone