majikthise.guildsoftware.com has, by the way, moved to 216.136.125.6 for the time being. But you should do what Vandal says anyway.

uh....wtf?
vendetta.rlb isn't a binary....?
how does the data package open a UDP socket?

vendetta.rlb IS the binary. vendetta.exe is merely the loader for vendetta.rlb, which then reads the content out of media.rlb.

And is there some reason why a data package (updater.rlb, i think) can't open a UDP socket?

The updater uses TCP, not UDP.