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Problem launching Multi Mode Call of Duty 4

Ozzt -  
SingeHurleur2a83 Posted messages 2 Status Member -
Hello,
so here's my issue:
I bought COD Modern Warfare yesterday (yes, I know, it's about time...), the installation goes smoothly, and the solo campaign launches and plays perfectly...
But when I feel like trying the multiplayer, I click on the icon, a black screen appears, and after a few seconds, it returns to the desktop.. Frustrating..
I reinstalled the game: nothing.
I updated my hardware: nothing
However, I'm using Windows 7 64 bit (in beta), has anyone had the SAME issue???
Help please!
Thank you all.
Configuration: Windows 7 Firefox 3.5.3

12 answers

  1.
    rotorfreron Posted messages 1 Status Member 16
     
    Hello everyone,

    I had the same problem as you before.

    My setup: W7 "Home Edition" 64 bit + Core 2 Duo + ATI 4850 card.

    Drivers: all in 64 bit.

    The game ran fine in solo mode but crashed as soon as I launched multiplayer mode. My game has been working well on XP 32-bit for 2 years.

    I plugged a jack into the microphone socket when starting the game and "voilà, it works". It's completely silly, I know, but it works for me. So give it a try, it doesn't hurt.
    16
    1. SingeHurleur2a83 Posted messages 2 Status Member
       

      Hello, thank you very much for the tip. Even after 12 years, it's still relevant! I’m going to be able to organize a great old-fashioned LAN ^^

      Works on W10 - Games Version 1.7.568

      0
  2. Masternade
     
    Same here, I'm on the 32-bit Family Edition of Windows 7

    I have a quad-core 2.0, a GeForce GT 9600 graphics card with 1 GB of memory for the card and 4 GB for the PC RAM

    The single-player game works fine, but the multiplayer crashes; when I launch it, it says "iw3mp.exe has stopped working"

    If anyone has a solution, please don't hesitate :)
    2
    1. john71
       
      I have the same problem as you, I tried to install the patch and when I launch the installation it tells me that the patch is not compatible because I bought it on Steam, so I don't know what to do. I bought it yesterday just for online and it doesn't work. If anyone has a solution

      john
      0
    2. chris
       
      Hi, I have the same problem :-( chris
      0
    3. ISM
       
      You just need to plug your headset into the jack. I didn't really believe it at first, but it works...
      0
  3. Lezardjet
     
    Well, I found it
    after trying everything
    reinstalling the game
    punkbuster
    changing file name extensions
    audio mixing -> not found on my Vista
    etc.

    I finally tried plugging in a mic without believing it would work -> and it does!!!!

    True story :)
    2
  4. Benoit le canadien
     
    Hello
    I contacted Activision support in the USA and they replied that the game is not compatible with Windows 7 64-bit. They had me try a few things, going into msconfig (Windows button and R at the same time) and disabling all Windows settings. The game works but there's no sound and I'm unable to connect to the network. They are still trying to find a solution that works 100%. You can also try using msconfig as a base. If I find something, I will come back to give you the solution. CiaO!
    1
    1. kg91 Posted messages 16 Status Member 3
       
      Thank you for your efforts, we hope there is a solution!
      0
  6. Ozzt
     
    Oh yes, I forgot to mention that when I launch multiplayer mode, it tells me:
    cod 4 was not exited correctly last time, etc.
    When in fact, it's the opposite of course.
    Thank you.
    0
  7. Maxspirit
     
    Good evening,

    I have the same problem as you; I am running Windows 7 32-bit version
    I have: a Core quad processor at 3.00 GHz
    4 GB of RAM
    Graphics card 9600 GT 512 MB
    I have tried everything: updating DirectX, installing game patches, uninstalling and reinstalling the game, but nothing works. If anyone has a solution, please, I’m interested :)
    Thank you
    0
  8. maindu Posted messages 50 Status Member 5
     
    I also have problems with Windows 7 64-bit for this game...
    0
    1. lezardjet
       
      Hello,

      I have exactly the same problem with COD Modern Warfare and Windows Vista Ultimate....

      Does anyone have a solution because I have installed the game and the patches (up to 1.7) twice and I can't find anything to play.....
      0
  9. kg91 Posted messages 16 Status Member 3
     
    I just installed Windows 7 64-bit (I have a powerful PC) and I wanted to reinstall COD 4 on it! So in single player it's fine but in multiplayer it's exactly the same as you, Ozzt!
    Please Help!! :(
    0
  10. bob94
     
    Hi, same problem as you with COD4
    I just installed Windows 7 64-bit
    and COD works in solo but not online??
    if you have solved the problem let me know OK
    address bernard.chenu@numericable.com
    thanks.
    0
  11. Anderson
     
    Hi everyone, yes I confirm what rotorfreron did. I just reinstalled Windows 7 Ultimate in x64 and the same problem occurred, so I tried the same manipulation and it worked, go figure why! The laws of computing..... ;)
    0
  12. freeman
     
    I also confirm, it's very simple but it works, it works...
    0
  13. nyny1895
     
    I had the same issue, and seeing everyone asking the question, I'm going to tell you how I did it.

    I simply read the post a little higher up, and actually, it's true that it's really simple, you just need to plug in a microphone. I plugged mine in, and bam, the game started. So I don't know if they'll fix it in the next updates, but at least my game works :)
    0
    1. kg91 Posted messages 16 Status Member 3
       
      I want to say +200!! I didn't believe it like a fool ^^ and I just tried and it works Oo Try it everyone!! I'm so happy :P
      0
    2. volio
       
      Hello, is a microphone mandatory? If we plug in headphones, will it work?
      0