Word cannot start the converter mswrd632.wpc

http://support.microsoft.com/kb/973904

• For 32-bit versions of Windows:
  HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Applets\Wordpad
• For 64-bit versions of Windows:
  HKEY_LOCAL_MACHINE\Software\Wow6432Node\microsoft\Windows\CurrentVersion\Applets\Wordpad