Add spaces: IfyourPCopenstheQD6file,butit'sthewrongapplication,you'llneedtochangeyourWindowsregistryfileassociationsettings.Inotherwords,WindowsisassociatingQD6fileextensionswiththewrongsoftwareprogram.
If your PC opens the QD6 file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating QD6 file extensions with the wrong software program.