Only he can help you I suspect.
What do you mean by, 'you hosted some files on a computer'? Was this computer on the network? What files? What does 'hosted' mean in this context?
at my university there is a win xp network.
i hosted some files on a computer, but now i cannot delete them
since they appear as being owned by some strange user, namely
can anyone help me delete the files? i have no admin rights, unfortunately. thanx