Are you running as root or as a normal user?
Are you trying to MOVE the file ... or copy it ?
ls -l /media/QUAKE2/Install/Data/baseq2 will give you the permissions on the file
You probably should look at this
http://www.linuxquestions.org/questi...ticle&artid=20
LQ tutorial on file permissions.
If you don't want to read that, try man chmod and man chown, although I suggest the former.