Evrytime i click on play by mw3 on computer it says the call of duty mw3 is not availble at this time. please try again later or visit this site and then it gives a site and when i go on that site it says error please can anyone help me
Well I had the same problem few months back. "Verify Integrity of Game Cache" & reinstall didn't help - I thought that I'm stupid or will I need to reinstall even W7 to make it work.
Answer is simple. Run Steam as a Administrator (Steam shortcut> Properties> Advanced> Run as admin ) and that's it.