How to fix "Verification of some files failed" on Tower of Fantasy

Are you gettings "Error code: 7812021" on Tower of Fantasy?

Here are the full error messages "Verification of some files failed Error code: 7812021/7812015".

Users have a lot of problems with Tower of Fantasy and one of them is the "Verification of some files failed" Error.

The Error is shown on the Game launcher when you open it.

To fix you need to uninstall and reinstall the Tower of Fantasy Launcher.

In this guide, you will learn how to fix the "Error code: 7812021/7812015" error on Tower of Fantasy and why you got this error.

Method: 01 Update the Tower of Fantasy

The first method To fix the error is you need to update the Game Launcher.

Most of the time this type of error is shown because of the old version of the app.

To update the "Tower of Fantasy" Game Launcher open the app and then next click on the three-dot icon in the top right corner.

After that new pop-up will be open with your next search for the update option and click on it.

Once the "Launcher" is up to date next Restart your device and relaunched the game the error should be fixed.

The Next method to fix this error you need to uninstall and reinstall the game Launcher.

Here is the step-by-step method to fix the black screen error on Tower of Fantasy:

The First thing you need to do is go to the game file locations and find the game folder.

If you save the game in Default settings then go to "This pc/Local Disk(c)/program file" and then search for Tower of Fantasy Folder.

If you save any go to that place and locate the Tower of Fantasy Folder.

Once you find the "Tower of Fantasy" Game folder next opens the folder.

When you open the folder you will be seeing all the files of the Tower of Fantasy Game.

Here you need to Search for the Launcher Folder and delete it.

Alternatively, Press the "L" button on the keyboard and you will easily find the Launcher folder.

After you "Uninstall the Tower of Fantasy" Launcher Next goes to the Tower of Fantasy's main website by clicking here.

Next, click on the window button and download the new updated version of the Launcher.

After that Install the app on your device and restart your system and you will all be good to go.

Sometimes this type of error is caused because of the old version of the app.

Once you update the app everything will be fine.

Also when the file is corrupted then it causes this type of issue.