GUYS :@ , i have the shitty same problem .. i got banned from modernwarfare 2
and then when i made a topic on alter , they denied it.. so i used baned evads and unbanner tools using the local IP.. and then .. STEAM AUTHORIZATION FAILED !
every game i come in , it says that .. i have been trying to fix it for almost a week and still steam auth. failed...
what can i do ?! i am done !
If you are silly enough to get caught hacking, convery can fix your problems