Fix: Call of Duty MW3 Windows 7/8 Compatibility with Steam

Call of Duty Modern Warfare 3 has been bombarded with negative reviews from critics, and it’s for the right reason. Unfortunately, COD MW3 keeps crashing on PC and has a series of issues that are yet to be fixed by Activision.

Call of Duty MW3 Windows 7/8 compatibility with Steam error can be fixed by simply going to the properties of the game and selecting ‘Run this Program as an administrator’ by selecting Windows 7/8. Then click apply, and the game will run on your Windows 7/8 without any issues.

To help you resolve this issue, we have written a detailed guide on how to fix the Call of Duty MW3 Windows 7/8 compatibility with Steam Error by following a few easy solutions. These solutions can be applied on Windows 10 and Windows 11 as well.

Solution 1: Run the Game in Compatability Mode

This is probably the best way to fix the Call of Duty MW3 Windows 7/8 compatibility with Steam error since it allows any program to run on Windows older versions without causing compatibility issues.

  1. Go to the folder/Application
  2. Right-click on it
  3. A menu will open
  4. Select Properties
  5. A new window will open
  6. Navigate to the “Compatibility Tab
  7. Under the ‘Compatability mode’ section check the ‘Run this program in compatibility mode for’ option
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  8. Select Windows 8 or Windows 7 from the drop-down menu.
  9. Click “Apply“ to save changes.

Solution 2: Restart the Game

Whenever you encounter Call of Duty MW3 Windows 7/8 compatibility with Steam error or any game bug, you should restart the game before trying any further solutions. Restarting the game will eliminate any temporary error from the old cookies and cache or the system’s other software clashing with your gaming software.

All of these errors will be eradicated after a simple restart of the game/PC or any other platform you use.

Solution 3: Restart Steam Client

One easy way to fix the Call of Duty MW3 Windows 7/8 compatibility with Steam error is simply restarting the Steam Client after closing the game. Here are the steps that you need to perform.

  1. Close the Call of Duty Modern Warfare 3.
  2. Close the Steam Client from the Task Manager.
    Closing Steam Client from the Task Manager
  3. Again, run the Steam Client.
  4. Run Call of Duty from the Steam Client.

Running Call of Duty Modern Warfare 3 from the Steam Client may resolve the issue and easily run the game without causing Call of Duty MW3 Windows 7/8 compatibility with Steam error.

Solution 4: Run the Steam as an Administrator

Running the program as an administrator will definitely help you eradicate the Call of Duty MW3 Windows 7/8 compatibility with Steam error as it might lack the privileges required to run the Application.

Here is how you can run the application as an administrator:

  1. Go to the file/ folder.
  2. Then go to the Game Launcher/Steam client.
  3. Right-click on the Launcher icon
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  4. menu will open
  5. Select “Run as administrator “

Now the program will start running smoothly without giving you the Call of Duty MW3 Windows 7/8 compatibility with Steam error.

Solution 5: Keep your PC Updated

Sometimes your outdated PC is the main cause of the Outdated Graphics Card Driver on Windows. Outdated drivers in your PC or your current Windows Version cannot support MW3 or other gaming software. As you update your Windows all running drivers are updated too.

So, here is how you can update your PC:

  1. Click on the Windows icon
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  2. Click on the Settings icon
  3. new window will pop up
  4. Select Windows Update from the left menuWindows updateDestiny 2 crashing pc,destiny 2 freezing PC, destiny 2 freezes PC, Destiny 2 crashing PC.
  5. The new Windows will pop up
  6. Then click on Check for updates.
    Windows updateDestiny 2 crashing pc,destiny 2 freezing PC, destiny 2 freezes PC, Destiny 2 crashing PC.
  7. If there is any update it will start updating the PC.Windows update Destiny 2 crashing pc,destiny 2 freezing PC, destiny 2 freezes PC, Destiny 2 crashing PC.

You can also update your graphic drivers through Windows Update too and solve Call of Duty MW3 Windows 7/8 compatibility with Steam error.

Solution 6: Keep your PC Updated

Sometimes your outdated PC is the main cause of the Outdated Graphics Card Driver on Windows. Outdated drivers in your PC or your current Windows Version cannot support MW3 or other gaming software. As you update your Windows all running drivers are updated too.

So, here is how you can update your PC:

  1. Click on the Windows icon
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  2. Click on the Settings icon
  3. new window will pop up
  4. Select Windows Update from the left menuWindows updateDestiny 2 crashing pc,destiny 2 freezing PC, destiny 2 freezes PC, Destiny 2 crashing PC.
  5. The new Windows will pop up
  6. Then click on Check for updates.
    Windows updateDestiny 2 crashing pc,destiny 2 freezing PC, destiny 2 freezes PC, Destiny 2 crashing PC.
  7. If there is any update it will start updating the PC.Windows update Destiny 2 crashing pc,destiny 2 freezing PC, destiny 2 freezes PC, Destiny 2 crashing PC.

You can also update your graphic drivers through Windows Update too and solveCall of Duty MW3 Windows 7/8 compatibility with Steam error.

Solution 7: Verify the Game Files

Sometimes the game file will get corrupted or get deleted, which eventually causes Call of Duty MW3 Windows 7/8 compatibility with Steam error. Follow the steps to verify the game file on Steam software:

  1. Launch the Steam Software
  2. Now login in the steam
  3. Navigate to the library
  4. Select the game and right-click on the game
  5. Now select properties
  6. Now click on the “Local file” Option
  7. A further menu will open
  8. Click on the “Verify Integrity of the Game CacheVerify the files Lost Ark Keeps Crashing
  9. Now the software is verifying the files, and this will take some time.

Sometimes the game file will get corrupted or get deleted which eventually causes Call of Duty MW3 Windows 7/8 compatibility with Steam error.

Solution 8: Check Server Availability

Finally if you are sure that your internet connection is fine and there is nothing wrong with your gaming console or PC either, then check the COD MW3 server availability. Sometimes the crash can occur due to the server downtime when you are not able to login to the game and it crashes during gameplay due to a sudden server downtime.

Checking Server of Call of Duty Modern Warfare 3

To check the Call of Duty Modern Warfare server availability, visit the Activision Support website for online services status. Click on the ‘Refresh’ button next to the Update date and time. Then check the platforms section to see if the server is facing any downtime. If its green and says ‘Online’ that means you are good to go.

Solution 9: Disable Firewall

Firewall restrictions can cause Call of Duty MW3 Network issues which can cause Call of Duty MW3 Windows 7/8 compatibility with Steam error. Here is how you can disable the firewall in Windows 11:

  1. Press Windows + I to open Settings
  2. From the left menu select “Privacy & Security
  3. Under the Security heading click on “Windows Security
  4. Privacy & Security > Windows Security window will open
  5. Select “Firewall & network protection” optionWindows firewall has blocked some features, windows firewall warnings, how to allow an app through firewall, windows firewall protection alert
  6. The Windows Security window will open
  7. Select Public network and public network windows will openWindows firewall has blocked some features, windows firewall warnings, how to allow an app through firewall, windows firewall protection alert
  8. Find Microsoft Defender firewall 
  9. There is toggle click on the toggle in order to turn off the Windows firewallWindows firewall has blocked some features, windows firewall warnings, how to allow an app through firewall, windows firewall protection alert
  10. User Control prompt will click “YES
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  11. Now your firewall has been disabled successfully in Windows 11.

Now head to solutions to solve Windows Firewall has blocked some features error

Solution 10: Reset Network Settings

  1. Open Settings from the Start Menu and go to Network & Internet.Opening Network Settings
  2. Go to Advanced network settings > Network reset.
  3. Next to the Network reset, click the ‘Reset now’ button.
    Selecting Reset Network on Windows 11

After resetting, your PC will restart, and all the network settings will be removed. You may have to re-enter the passwords for the Wi-Fi devices to connect with them.

Solution 11: Contact Activision Support

Call of Duty Modern Warfare 3 Activision Support

Finally, if none of the above-mentioned solutions has resolved the Call of Duty MW3 Windows 7/8 compatibility with Steam error, you can contact Activision Support to address the issue. There could be a bug in the game or some other glitch that might be causing this issue, and you can resolve it by simply reporting it to the developers. Hopefully, they will release a new patch or respond to you with a possible fix.

Final Words

Call of Duty MW3 Windows 7/8 compatibility with Steam Error merely occurs when you are running the game on older Windows-based operating systems. It may also occur if you are using the 32-bit operating system. But with the methods mentioned in this article, you can resolve this issue in no time. Hopefully, this guide was helpful, and if you have any queries, let us know in the comments below.

Eiswan
Eiswan

Hi there! I’m a passionate content creator and gamer. Being devoted to making a difference through my publications, I chose to blog for a career to share my knowledge and expertise in gaming technology. Compiling my tech knowledge and gaming experience, I am here to bring you the latest updates and news from the gaming world. Follow me on Twitter .

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