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