Add spaces between the words in the following text: IfyourPCopenstheAB2file,butit'sthewrongapplication,you'llneedtochangeyourWindowsregistryfileassociationsettings.Inotherwords,WindowsisassociatingAB2fileextensionswiththewrongsoftwareprogram.
If your PC opens the AB2 file, but it's the wrong application, you'll need to change your Windows registry file association settings. In other words, Windows is associating AB2 file extensions with the wrong software program.