Would you believe it but my brother recently bought a zen vision M, and is suffering the same problem, as it seems, are a good chunk of the people bought them. Searches on google reveal many people in the same boat.
The problem we have is well put by
"[FONT=verdana, arial, helvetica]MP3 player not detected in Windows Media Player 10 or Creative Media Explorer
PlaysForSure devices such as Creative Zen Micro, Zen Vision or others are properly detected, and reported "working properly" in Device Manager, however, Windows Media Player, Creative Media Explorer, or other PlaysForSure compatible applications fail to detect these devices."
Some tips given about halfway down this page, [broken link removed]
None of the tips I've found online so far have worked for us. Keep trucking.
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