I sometimes have a problem when playing  NS:
I cant see water or entitys like water
i restart hl it is still there
i reboot pc and it is still there
i try another time and then it is gone? ::skulk::
i noticed that also other players seem to have this problem, i saw them writing it in the chat on the server

i hope that you can fix it

ps : no i am not selfish ( every sentence begins with i :D  ::onos:: )