Most apple apps don't work
Most of the apps that came with my Mac dont work. Mail, System Preferences, Firefox and Google Chrome all bounce for a bit in the Dock then dissapear again. System Preferences sometimes appears, but as soon as I click on something it dissapears again. Sometimes is appears twice in the Dock.
Any help would be appreciated.
P.S. my mac is an old DET model, and i got in by cheating. (apple-s on startup, mount -uw /, rm /var/db/.AppleSetupDone, shutdown -h now.)
Could that have much to do with it?
P.P.S This is a multi-account system and none of these problems are experiences in other accounts made the same way. there are 2 admins and the account with probs are one of them.
iMac, Mac OS X (10.7.3)