I posted this before on a different thread but it is the same issue so I am posting it again for you:
There is a problem that happens in XP and is fixable but I am not sure if this will work in Vista. What you need to do is delete the Upper and Lower filters in the registry. Here is a KB article about it from Microsoft. This may be what your problem is and it sounds like it to me. I had this issue once in XP and it came from Roxio.
There is a problem that happens in XP and is fixable but I am not sure if this will work in Vista. What you need to do is delete the Upper and Lower filters in the registry. Here is a KB article about it from Microsoft. This may be what your problem is and it sounds like it to me. I had this issue once in XP and it came from Roxio.