Kaspersky Product Key Error:

In case a license issue gets detected or problems related to invalid key file errors arise, then follow these steps to fix the issue.

1. Firstly, remove the application from the system.
2. Go to the savings object window and choose license information and subscription information checkbox.
3. Follow the instructions occurring on the screen.
4. Finally, restart your system.
5. Ensure the version of the antivirus program you are using is compatible with your product.