Stuck on Loading

[Stuck on Loading]

i just tried it with another steam account too and it work..i guess our acc is banned ?? not sure but it works with another acc

[Bad serial number given in Setup]

i had that problem you can try this it worked for me

http://veterans-gaming.com/vg-plugins/forum/forum_viewtopic.php?20735

[Very long loading time!!!!!]

having the same problem....was playing earlier in the day and now im trying to play but it doesnt work stuck on the last loading screen...before setup completed hopefully there is a solution soon!!