I'm guessing he is running 4.0 as pre tt clients don't show that error message. I used to have a similar issue to this and I found that restarting my pc solved it so you could try that
^ amen I like the way Zunnie and co are making edits to the westwood maps, they may not look great all over but they invite better gameplay and different tactics to the standard herpderp sbh nukes that walls normally has