Posted February 18, 201014 yr Hi, I found a solution for an error message on start up that states that memory could not be written at 0x7c91b21a 0x00000010. It appears the latest update for Windows Media Player is causing this problem if the Service, Windows Driver Foundation. is turned on. It needs to be disabled. I found this at Bleeping Computers and this solution worked for me. Cathy http://www.bleepingcomputer.com/forums/topic261076.html
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