Some users are unable to play Valorant on their Windows PC because of the “Corrupt Data Found” error. On launching the Valorant game, it displays this error message, and users have to close the game. The error message says users must verify their installation to fix it. If you see this error in Valorant, you can try the fixes described in this article.
The complete error message is as follows:
Serialization Error: Action Needed.
Corrupt Data Found, please verify your installation

Fix Serialization Error, Corrupt Data Found in Valorant
To fix Serialization Error, Action Needed, Corrupt Data Found, please verify your installation error in VALORANT on your Windows 11/10 PC, follow these suggestions:
- Run Steam as an administrator
- Delete Temporary files
- Verify the integrity of the game files
- Repair Valorant
- Check your RAM
- Uninstall and reinstall Valorant
Let’s see all these fixes in detail.
1] Run Steam as an administrator
Sometimes, errors occur due to administrative privileges. Hence, run Steam as an administrator and see if it helps. To do so, right-click on its desktop shortcut and select Run as administrator. If this fixes the issue, you can make Steam always run as an administrator.
2] Delete Temporary files
Programs create temporary files on our computers. These files help programs complete the tasks we perform. Some programs automatically clear these files when we close them. For example, Microsoft Word creates a temporary file when you edit or create a document. When you save the file and exit Word, it automatically deletes it.
Not all programs delete these files automatically after the completion of a task. Temporary files created by such programs remain on our Windows computers. These temporary files are useless and take space on our C drive. Over time, these temporary files increase and start taking more space on our C drive. This not only affects system performance but also causes issues in other programs. Therefore, deleting these temporary files is mandatory.

Delete the temporary files from your system and see if it works. To do so, follow the steps below:
- Open the Run command box.
- Type %temp% and click OK. This will open the Temp folder directly.
- Now, select all the files and folders inside the Temp folder and delete them. Some files won’t delete because they’re currently in use. Hence, skip them.
After deleting the temporary files, see if the issue is fixed. This solution has worked for some users. It may work for you too.
3] Verify the integrity of the game files
According to the error message, corrupt data is detected due to which you are not able to play the game. Hence, repairing the game files may fix the issue. If you are using Steam, you can do this by verifying the integrity of the game files. The following steps will guide you on this:

- Open Steam.
- Go to your game library page.
- Right-click on Valorant and select Properties.
- Select LOCAL FILES from the left side and click Verify integrity of game files.
The process will take several minutes. After it completes, launch Valorant and check whether the error occurs again.
4] Repair Valorant
If the above solution did not solve your problem, repairing Valorant may help. Follow these steps to repair Valorant.

- Download Valorant from the official website.
- Run the installer file to bring up the installation wizard.
- Click on the Advanced options.
- Click on the Browse icon in the Installation Path and select its old or existing folder.
- Click OK and then click Install. This will not install Valorant. Instead, the repair process will start.
When the repair process gets completed, check if you can play Valorant or not.
5] Check your RAM

Some users found that the error was occurring due to the faulty RAM. The Windows Memory Diagnostic Tool lets you check whether your RAM is faulty or not.
6] Uninstall and reinstall Valorant
If none of the above solutions helps you, uninstall Valorant and reinstall it.
Hope this helps.
Read: Fix Riot Vanguard Crashed Error on Valorant.
How do game files get corrupted?
If your computer shuts down due to a power loss or crashes unexpectedly while playing, your game files may become corrupted. Your game files can also become corrupted if you interrupt the installation or update process. To fix errors caused by corrupted game files, you need to repair them. In Steam, you can repair the game files by using the “verifying integrity of the game files” option.
If you can’t repair the game, uninstall it completely, then reinstall it. Before you uninstall the game, make sure you have backed up all your data. It is recommended to sync your game to the cloud so that all your progress will automatically be saved with time.
Why does my game keep saying Corrupted?
If your game keeps saying It’s Corrupted, some game files may be corrupted. This usually happens because of a sudden power loss while you’re playing or updating. You can fix it by repairing or reinstalling the game.
Read next: Fix VALORANT DirectX Runtime error on Windows.