I just installed windows 7 ent. on my laptop comp. which previously ran on windows xp. I installed it to my c drive without touching my other drives. But after installing windows 7, I cannot play some video files. When I try to play the files in mediaplayer I get a massage saying "Windows Media Player cannot access the file. The file might be in use, you might not have access to the computer where the file is stored, or your proxy settings might not be correct." These files are stored in a folder in my e drive. I noticed that the folder's name is written in green font. My video files in other folders are playable.

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