Windows Live Mail "Message could not be displayed" error

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1. Close Windows Live Mail

2. In the Windows registry, open this key:

   Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows Live Mail

3. Create these three DWORD entries in that key:

   RecreateFolderIndex=1
   RecreateStreamIndex=1
   RecreateUIDLIndex=1

4. Restart Windows Live Mail