If u have errors while login or after logen
(spechally net_queuepacket: Wsaenetreset)this way will fix some of them:
For Windows 7/vista:go to control panel then windows firewall
inside firewall go to (allow a program or feature through windows firewall)
[You must be registered and logged in to see this image.]then active all conter strikes options (only counter strike) :
[You must be registered and logged in to see this image.]then ok u done
For windows xp:Go to control panel then windows firewall
then go to second bar in there find counter strike (1 or more) and sellect them if not selected
[You must be registered and logged in to see this image.]DONE*