I also tried to copy pak0.pk3 from the disk to my harddrive, but it says it cannot be done because some of the file pak0.pk3 is not "read or written"

It just quits and wants to send a error message to apple.

I currently run on a Macintosh running the operating system OSX 10.3.9. I just downloaded the upgrade for Quake 3 and I have installed it but my problem is that the new upgrade just creashes and quits. It originally asked me to point the new upgrade to the original file, which I did, which started t...