Something like Startup Repair should do it.
Hope this helps.
when i launch media player i get this message > c:\windows\system32\wmploc.dll is not designed to run on windows or it contains an errror try reinstalling ......
i ran sfc / scannow with this result > win resource protection found croupt files but could not fix some of them , details are in CBS .log
i am running win 7 , Thanks