I never herd of it freezing, do you have something called T4M installed?

Yeah I have it my friend dosen't but the thing is that he can still play the map solo idk if it's just his crappy computer ...

Hey I made a review and impressions on your map really loved it! 
If you want to see it here's the link: https://www.youtube.com/watch?v=nfNAyQo3YOE&feature=youtu.be

Would be helpful if you explained in detail what happens. Can't really help "it never works."

so basically every time I attempt to play the map co op it freezes and I en...

Amazing map but everytime I try to play with a friend it never works. I downloaded the map off the manager if that makes a difference.