While attempting to print in Pagemaker 7 today. I went to the chooser to pick my printer and all I got was just the corner of the window and the option in the toolbar to close or quit. I've seen this in OSX in the terminal application and it was a font problem. Is that what this is?
Have you tried to validate your fonts using Apple's Font Book? That might give you a clue as to whether or not you have a font problem.