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Unable to Install or Patch Call of Duty: Modern Warfare
Common Problems
- Errors when installing Modern Warfare
- Download of Call of Duty: Modern Warfare Won't Start
- Patching Modern Warfare is slow
If your region is currently patching or undergoing maintenance there might be a known issue affecting all players. Check @BlizzardCSEU_EN on Twitter for information on any ongoing issues.
If you are receiving a specific error code (such as BLZBNTAGT00000BB8), you can search for the error code on our Support Site. The error code page will have more specific troubleshooting. If you do not receive an error code, the steps below may resolve problems in which the Battle.net App can’t download data or update game files.
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Restart your computer to resolve problems caused by programs and services running in the background.
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Update your drivers and operating system to resolve any compatibility issues.
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Configure your security software's exception list to allow Blizzard applications to run.
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If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
Advanced Troubleshooting
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Disable any proxies that may interfere with the login module.
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Run a security scan to remove any viruses or malware infections.
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Try creating a new administrator account to resolve permissions issues.
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Uninstalling and reinstalling the Blizzard App may resolve rare launcher issues.
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