...try to re-install (just) the player, reboot the System and Repair Disk Permissions (within Disk Utility)...
Have you done something "different", in your system (add new file, updates, ecc), before having the problem?
(more... Trash the Logic Preferences com.apple.logic.pro... be careful if you got "personal" Key Commands, you'll loose them if you don't save them before the trash... ask, if you don't know how to do it...)
Have you done something "different", in your system (add new file, updates, ecc), before having the problem?
(more... Trash the Logic Preferences com.apple.logic.pro... be careful if you got "personal" Key Commands, you'll loose them if you don't save them before the trash... ask, if you don't know how to do it...)