Steam Issue: MW2

Solved
Hello, I just changed computers, so I'm reinstalling MW2 on my new PC and when I launch the game, I get an error message that appears: Fatal Error: "Steam must be running to play this game."

I don't understand why, I tried to re-enter my game's activation key, but it doesn't change anything, it says "this game has already been associated with this Steam account."

I don't know what to do...

Awaiting your responses.

WiL.iaM

Configuration: Windows 7 / Safari 535.11

12 answers

  1. I have the same problem (I hacked the game) and I have no idea what Steam is. I'm completely lost!!! If someone could help me that would be cool ;)
    Thanks in advance!!
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    1. I restarted Steam and it worked. Thank you very much Destrio5 :)

      Sorry for the trouble over not much :s!
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      1. Moderator
        Have you changed anything about the Steam software?

        Have you restarted Steam to see?
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        1. Steam and my games are installed in "Computer/Local Disk (C:)/Program Files (x86)"
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          1. Moderator
            Is Steam and your game installed on the partition where Windows is located?
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            1. The verification has just finished and I still have the same error report: Fatal Error: "Steam must be activated to play this game."
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              1. Oh, sorry, I don't know. :(
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            2. I uninstalled and reinstalled the game, it didn't help, and I tried to re-enter the activation code, without success. Now I'm trying Nacous's method, by the way, the verification is in progress; I'll keep you updated, Nacous.
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              1. D'accord :)
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            3. Moderator
              Hello,

              What have you tried to do to solve your problem?
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              1. Yes, the same account even shows the hours I've spent on MW2 marked when I'm in my game library.
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                1. Go to your game library, select MW2, right-click and choose properties, then go to local files and click on verify integrity of cache... there you go.
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              2. So when you logged in, did you keep your same account?
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                1. No, I haven't changed my Steam account.
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