Aporte original por: 3macs ,
The problem is solved, what i did was to boot with single mode (command+s) and follow the instructions below from NUMBER 6 '''Reset certain privileges''' in '''Your Mac won't start up in Mac OS X (Mac OS X 10.3.9 or earlier)''' at http://support.apple.com/kb/TS1411?viewlocale=en_US 1. Start up the computer in Single-User Mode. 2. Check the volume with fsck. 3. Type: mount -uw / 4. Press Return. 5. Type: chmod 1775 / 6. Press Return. 7. Type: reboot 8. Press Return.