[css]could not establish connection to steam servers result 18.

[marjak96]

hi, have have download and install steamcmd and srcds for css today. i get, could not establish connection to steam servers result 18. i have tried google it cant find any thing so i post her. ports are open and firewall. my start line: -console -game cstrike +map de_dust +maxplayers 16 +ip 10.0.0.2 +port 27015 +sv_setsteamaccount (api key)

os: windows 7 ultimate(64bit)
4gb ram
cpu: intel core duo 2 e7500 @2.94ghz.