Call of Duty Modern Warfare 3 (MW3)

How to Fix Not Installing Error

Modern Warfare 3 - How to Fix Slow Installing Error
The Not Installing Error is an installation issue in Call of Duty: Modern Warfare 3 (MW3 2023). Learn possible solutions for MW3 not installing, the installing stuck error, and for when you can't install MW3 due to the data being corrupted.

How to Fix Not Installing Error

Installing Stuck Fixes




Download and Install MW3 Beta Packs First

Modern Warfare 3 - Download MW3 Beta Packs First
Cancel all other installations and downloads in the Call of Duty HQ and prioritize Modern Warfare 3 Packs first. It might cause the installation to be stalled for MW3 if the MW2 or Warzone gets downloaded and installed first.

Uninstall MW2 and Warzone

If MW2 and Warzone are already installed, try uninstalling MW2 and Warzone and see if the installation process gets faster for MW3. This method has worked for us and the game is now running properly!

Restart Call of Duty HQ

Modern Warfare 3 is part of the Call of Duty HQ, and you can restart it if you're having problems with Modern Warfare 3 and other games it holds. It includes a slow installation process of the game!

Restart Device

You can also restart device that is running Modern Warfare 3, as the issue might lie on it. Giving it a restart will force the device's system to reboot and solve the problem on its own!

Free Up Storage

Make sure you have enough space when installing Modern Warfare 3, or it will cause an issue later during or after downloading the game. It is a common problem for any games in general, so it's better to clean up your storage first before downloading Modern Warfare 3!

Install Device Updates

Your device's system might be outdated, and that might be causing the installation process to slow down. Take your time to update it first, and try to install Modern Warfare 3 again afterward!

Reinstall MW3 Beta Pack 01 and 02

If all the methods above don't work, it's time to delete and re-download the MW3 Packs to fix the problem. It has a higher chance of solving the issue but may require more time than the other methods.

Reinstall Call of Duty HQ

The worst-case scenario is to reinstall the Call of Duty HQ, which has the largest file size on all platforms. Reinstalling it will require you to download around 50 GB file size (varies depending on the platform). It will take a longer time to do, especially for those with a slower internet connection.

How to Fix Installing Data is Corrupted Error

Download From Another Account

MW3 Can

Note: this method only works with the MW3 beta since it was free to download.

To fix the Can't install. Data is corrupted. error prompt, you can download the Call of Duty Modern Warfare 3 (MW3) beta from a different account on your console's store (since getting the application for the beta is free).

When downloading the Call of Duty Modern Warfare 3 beta, we encountered the error prompt Can't install. Data is corrupted., which wouldn't resolve with numerous redownload attempts and storage space clearing. The free beta application was only able to be installed when we downloaded it from a different account on our console.

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