opening individual photos-breaking up in

[DICKSTER]

just lately when i open a photo in iphoto it breaks up into pieces on the screen in iphoto so i click outside the photo again to restore to thumbnail size and click again to reopen and it's fine for editing etc. parts of the pic are there and parts are black the first attempt at opening. can't quite figure it out. have trashed iphoto prefs. used disk warrior etc. anyone have this occur to them and how they fixed it?
dickster----------------------------------

 

[Satcomer]

Have you ever run any maintenance on your Mac? If not download either Yasu or Onyx and run all the maintenance cleaning scripts. Let the program reboot your machine then immediately reboot again to rebuild your StartUp/ShutDown cache.