Counter Strike D/C problem

[fenrizz]

Hello.

I have recently been trying to play some CS again.

But at almost every server I get disconnected as soon as I enter the server.
There is no "box" telling me I have been disconnected, and I have no been kicked either.

I just appears as if I exit the server at the same moment I get in.

I play CS 1.6 through Steam.

Thanks in advance for any replies.