Install failed!?!?!?

[Marvito]

hey people.. i need some help urgently.. i have just purchased ewql gold edition

i click to install etc on my macbook.

everything is going fine until it randomly stops at the end and gives me this message


"the installer could not install some files in

"/library/application support/digidesign/plug-ins"

contact software manufacture etc etc

HELP !!! please