"When you maximize or minimize Windows Media Player window while playing contents on Windows 7 running Windows XP Mode, you may receive an "unexpected network error occurred" error message, which causes Windows Media Player to stop playing. This behavior is by design," explains Microsoft.

And while there won't be an update or a hotfix enabling the full functionality of Windows Media Player inside Windows 7 XP Mode, customers won't even be able to deploy a manual fix. "There is no workaround for it," stated Microsoft in KB2298118.