Fix – Windows Media Center Not Showing Files

I have an XBox 360 which I use to stream my media collection to my TV. It is horribly finicky on the best of days and just outright useless on the worst. (I will save my rant on lack of supported codecs for another day!) One day I go to watch an episode of Babylon 5, only to find that all the files are gone. As far as Media Center is concerned, they don’t exist. Never mind that they are still on my PCs hard drive and that Xbox’s video player sees them. After looking at the Windows Media Center library, they all seem to be missing…just a bunch of empty folders. After forcing it to re-scan my library didn’t help, I found that the problem involves registry keys that somehow were deleted.

Here is the fix:

  1. Create a new text file named fix.reg (or anything really as long as it has the .reg extension)
  2. Paste the following into fix.reg:
    Windows Registry Editor Version 5.00
    
    [HKEY_CLASSES_ROOT\.asf]
    "Content Type"="video/x-ms-asf"
    "PerceivedType"="video"
    
    [HKEY_CLASSES_ROOT\.avi]
    "Content Type"="video/avi"
    "PerceivedType"="video"
    
    [HKEY_CLASSES_ROOT\.divx] 
    "Content Type"="video/mpeg" 
    "PerceivedType"="video" 
    
    [HKEY_CLASSES_ROOT\.flv]
    "PerceivedType"="video"
    "Content Type"="video/x-flv"
    
    [HKEY_CLASSES_ROOT\.m4v]
    "Content Type"="video/mp4"
    "PerceivedType"="video"
    
    [HKEY_CLASSES_ROOT\.mp4]
    "Content Type"="video/mp4"
    "PerceivedType"="video"
    
    [HKEY_CLASSES_ROOT\.mpe] 
    "Content Type"="video/mpeg"
    "PerceivedType"="video" 
    
    [HKEY_CLASSES_ROOT\.mpeg]
    "Content Type"="video/mpeg"
    "PerceivedType"="video"
    
    [HKEY_CLASSES_ROOT\.mpg]
    "Content Type"="video/mpeg"
    "PerceivedType"="video"
    
    [HKEY_CLASSES_ROOT\.mov]
    "Content Type"="video/quicktime"
    "PerceivedType"="video"
    
    [HKEY_CLASSES_ROOT\.MPE]
    "Content Type"="video/mpeg"
    "PerceivedType"="video"
    
    [HKEY_CLASSES_ROOT\.wmv]
    "Content Type"="video/x-ms-wmv"
    "PerceivedType"="video"
  3. Save the file and double-click to run it. A dialog box will ask if you want to import the keys. Click yes.

The problem should be fixed.

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