Thread: interface lost, game closed unexpectedly

when i want to connect to a server on my local machine the game opens then goes black window and crashed with error interface lost, game closed unexpectedly.
here is a log


Vault-Tec Multiplayer Mod client debug log (0.1a snapshot "Gary 2.7")
Connecting to server: 67.198.66.201|1770 (name: Name, password: , game: Fallout New Vegas
Visit www.vaultmp.com for help and upload this log if you experience problems with the mod.
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[2013-03-12 12:12:09] New actor object created (ref: 14)
[2013-03-12 12:12:09] Connection request accepted (67.198.66.201|1770)
[2013-03-12 12:12:09] Sending packet of type 9pGameAuth, length 7, type 137
[2013-03-12 12:12:09] Constructing packet of type 10pGameStart, length 1, type 140
[2013-03-12 12:12:09] We were successfully authenticated (67.198.66.201|1770)
[2013-03-12 12:12:09] Initiating vaultmp game thread...
[2013-03-12 12:12:09] Threads 5 6 0x679e2c 0x679e38
[2013-03-12 12:12:09] vaultmp process waked up (game patched)
[2013-03-12 12:12:19] Sending packet of type 9pGameLoad, length 1, type 138
[2013-03-12 12:12:19] Sending packet of type 8pGameEnd, length 2, type 141
[2013-03-12 12:12:19] Interface lost, game closed unexpectedly
[2013-03-12 12:12:20] 0x446ed7: VaultException::stacktrace_() in E:\Program Files (x86)\Steam\steamapps\common\Fallout New Vegas\vaultmp\vaultmpd.exe
0x447156: VaultException::stacktrace() in E:\Program Files (x86)\Steam\steamapps\common\Fallout New Vegas\vaultmp\vaultmpd.exe
0x473eff: Bethesda::InitializeVaultMP(RakNet::RakPeerInterfa ce*, RakNet::SystemAddress, std::string const&, std::string const&, unsigned char, bool, bool, unsigned int) in E:\Program Files (x86)\Steam\steamapps\common\Fallout New Vegas\vaultmp\vaultmpd.exe
0x443903: _Z15WindowProcedureP6HWND__jjl@16 in E:\Program Files (x86)\Steam\steamapps\common\Fallout New Vegas\vaultmp\vaultmpd.exe
0x762762fa: gapfnScSendMessage in C:\Windows\syswow64\USER32.dll
0x76276d3a: GetThreadDesktop in C:\Windows\syswow64\USER32.dll
0x7627965e: GetWindow in C:\Windows\syswow64\USER32.dll
0x762796c5: SendMessageW in C:\Windows\syswow64\USER32.dll
0x762b5fbb: LoadCursorFromFileA in C:\Windows\syswow64\USER32.dll
0x762b60fc: LoadCursorFromFileA in C:\Windows\syswow64\USER32.dll
0x762a312e: SetKeyboardState in C:\Windows\syswow64\USER32.dll
0x7629aa3f: IsCharAlphaA in C:\Windows\syswow64\USER32.dll
0x762762fa: gapfnScSendMessage in C:\Windows\syswow64\USER32.dll
0x76276d3a: GetThreadDesktop in C:\Windows\syswow64\USER32.dll
0x762777c4: CharPrevW in C:\Windows\syswow64\USER32.dll
0x76277bca: DispatchMessageA in C:\Windows\syswow64\USER32.dll
0x442af5: MessageLoop() in E:\Program Files (x86)\Steam\steamapps\common\Fallout New Vegas\vaultmp\vaultmpd.exe
0x441603: WinMain@16 in E:\Program Files (x86)\Steam\steamapps\common\Fallout New Vegas\vaultmp\vaultmpd.exe
0x6359ad: operator new(unsigned int, void*) in E:\Program Files (x86)\Steam\steamapps\common\Fallout New Vegas\vaultmp\vaultmpd.exe
0x4013fa: [unknown function] in E:\Program Files (x86)\Steam\steamapps\common\Fallout New Vegas\vaultmp\vaultmpd.exe
0x767233aa: BaseThreadInitThunk in C:\Windows\syswow64\kernel32.dll
0x76ec9ef2: RtlInitializeExceptionChain in C:\Windows\SysWOW64\ntdll.dll
0x76ec9ec5: RtlInitializeExceptionChain in C:\Windows\SysWOW64\ntdll.dll


[2013-03-12 12:12:20] Terminate called...
[2013-03-12 12:12:20] Reference 14 with base 7 and NetworkID 40532410323089396 (type: 6Player) to be destructed (0x2185848)
[2013-03-12 12:12:20] Reference 0 with base 15038 and NetworkID 40532410323089395 (type: 4Item) to be destructed (0x218da38)
[2013-03-12 12:12:20] Reference 0 with base 25b83 and NetworkID 40532410323089397 (type: 4Item) to be destructed (0x218e768)
[2013-03-12 12:12:20] Player object destroyed (ref: 14)
[2013-03-12 12:12:20] Network thread is going to terminate (ERROR)
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END OF LOG

When i setup the server i ran into the same problem, which is a old Fallout 3 glitch just repackaged as a Multiplayer problem, you have to Disable Desktop composition on the Fallout3.EXE file not just the fallout 3 launcher or Multiplayer client.
Once i did the Error went away.