I keep getting error in CS

[mikysee]

I am having problems trying to play CS. After I go into a server, I keep getting this error:
Host_Error: DispatchUserMsg: Illegal User Msg 255
Does anyone know whats wrong? Thanks for any help.

 

[darktubbly]

Have you tried reinstalling HL + CS?

 

[mikysee]

I installed HL then HL update then CS.