Is that for 2003? Never heard of it...
Didn't you hear of the 2 official bonus packs?
Go to the link that comes in the UT2003 folder,there,search for downloads on the site.
Ah- I see- can't download stuff- same problem as before- too slow a PC.
Don't play online either for the same reason.
Arg.
Did you ever beat all the sp gamemodes?