IfyourPCopenstheSHDfile,butit'sthewrongapplication,you'llneedtochangeyourWindowsregistryfileassociationsettings.Inotherwords,WindowsisassociatingSHDfileextensionswiththewrongsoftwareprogram.
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If your PC opens the SHD file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating SHD file extensions with the wrong software program.