Error encountered when using Media Player with video

Hi,
I tried to use Media Player to play a video on a Win XP PC but then I got this error message (see below). I was trying to play the video on my PC with no other devices connected to it and so I wondered why the error happened. I searched the internet for answers but didn’t find any.
Hope somebody in the forum can help me solve the error. Please help. Thanks in advance.
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C:Program FilesWindows Media Playermplayer2.exe
A device attached to the system is not functioning.
