Crash when people join my listen server.

System Hardware Specs

  • Proccesor: AMD Phenom II X2 550 Black Edition Callisto 3.1GHz
  • Graphics Card: Ati Powercolor Hd4850 (1 week old)
  • Ram: 4gb DDR2
  • Operating System: Windows 7 64 bit Ultimate

Military Models 1+2
Air Vehicles
Nuke v4

I have no problem creating a server and people joining it, but on certain maps, like Rp_cscDesert, garrysmod crashes to desktop without error. Some help would be appreciated alot.