
Go to Start Menu -> Control Panel -> User Accounts and Family Safety -> User Account. To user Control Panel to disable UAC in Windows 7, there are several methods to access the User Account Control settings page: To disable UAC in Windows 7 is almost similar as to disable UAC in Windows Vista, only with slight user interface change.ġ. You need to reboot the computer for changes to apply. When the command is done, you can close the window.ĥ. You can disable UAC by using one of the following methods:Ģ.

VISTA or Windows 7 ? - Start Steam as administrator and see if this helps.ĭisable the whole UAC. !!! You also need to run Steam as administrator !!! Set your Windows and Game resolution on 1024×768, 32 bit True Color. Modern Warfare 2 Crashing to desktop at startup/launch. If that doesnt fix it restart your computer.ģ. Please try again at another time” and ‘Steam Error 55′ MW2 “Steam - Error This game is currently unavailable. WORKAROUND SOLUTION that worked for some: see Nr.26Ģ. Sometimes just a simple "Take the power plug from router out and put it back in" does the trick. Ports UDP: 1500, 3005, 3101, 28960 and TCP: 27015 (SRCDS Rcon port).Īdditionally the Steam client transmits and receives network traffic on :

( - info for most routers and how to)Ĭall of Duty: Modern Warfare 2 transmits and receives network traffic on : Go to the last tab Windows Firewall > add the following ports : Solution : Go to Network connections on your PC > Right mouse click on your connection.

So it is trial and error till you find what works for you.
