mnc.exe stopped wokring...

Hey,new on the forums here. I've been trying to make A dedicated server and I this is how to make it.

step 1)make a bat file with the command lines inside it.(I use the commandline recommended Ekanaut " Recommend Command Line
mnc.exe server HostileLobby?game=HostileGame.HGameInfo_PreGameLobby?bAllowJuicePurch=True?bAllowBotPurch=True?bAllowHazards=True?bAllowMascot=True?bAllowCustomClass=True?bAllowChangeClass=True?bForceRndClass=False?bIsLanMatch=False?bIsDedicated=True?bAllowTeamSelect=True?bAutoBalance=True?MatchDuration=2?OTDuration=2?ClassLimitAssault=6?ClassLimitTank=6?ClassLimitSupport=6?ClassLimitAssassin=6?ClassLimitGunner=6?ClassLimitSniper=6?ServerDescription="Server Name With Spaces" -ServerInstance=0 -log=DedicatedServer.log -STEAM_DEDSERVER
"
step 2)run the bat file,find server and play.

well I run the bat file it makes a server after a while it crashes I dont know the reason please help and thank you.

Are the DirectX redistributable and the PhysX installer both installed on the machine you are trying to run the game server on? I ran into the same issue, then realized it required both of these just to run the dedicated servers files.

Now I am stuck on the next step which is fixing it so players can actually join :/

I would try what Brett suggests.
However, make sure that the batch you created goes inside the Win32 folder in the monday night combat folder.

Steam > steamapps > common > monday night combat > Binaries > Win32

There is also a support file inside the Win32 and inside is the DirectX exe.
(Also make sure that you change your server description to something other than "Server name with spaces" as i'm sure you'd like to identify yourself to the world. lol (otherwise keep it - it's up to you.)