I would treat this like most problems with apps that suddenly appear.
Go into the preferences folder. In this case, Printer Master prefs would be in your classic System Folder/Preferences. Dump the Print Master prefs in the trash, then relaunch Print Master, and see if that simple trick has helped. Print Master will create a new preference file when you next launch it...
Go into the preferences folder. In this case, Printer Master prefs would be in your classic System Folder/Preferences. Dump the Print Master prefs in the trash, then relaunch Print Master, and see if that simple trick has helped. Print Master will create a new preference file when you next launch it...