can;t install some files in"/" ??

macos 10.6
first install of ga3 - moving to a new mac
got the 3.0214 full install
put the ga3 dvd

Result:
The Installation failed
can;t install some files in"/"

Anybody?

Thanks
Aaron

I have this exact same problem. The solution described here worked for me (remove the Propellerhead Software folder in Application Support):

http://www.cubase.net/phpbb2/viewtopic.php?t=88275&highlight=rewire