error compiling...

Hi veryone,
I just updated to Arduino 0017 but when I press verify this Error Compiling massage hapens:

usage: dirname path

usage: dirname path

/Applications/Arduino 17/Arduino.app/Contents/Resources/Java/hardware/tools/avr/bin/avr-gcc: line 5: /../avr-4/bin/gcc: No such file or directory

/Applications/Arduino 17/Arduino.app/Contents/Resources/Java/hardware/tools/avr/bin/avr-gcc: line 5: exec: /../avr-4/bin/gcc: cannot execute: No such file or directory

/Applications/Arduino 17/Arduino.app/Contents/Resources/Java/hardware/tools/avr/bin/avr-gcc returned 126

Whats up ? SOmeone can help me ?

tks