"Activation code is not suitable for this application" error

Cause

The error occurs when:

• the activation code is intended for a different application
• you are trying to activate a recent Kaspersky application with a code intended for an obsolete version
• you are trying to activate an obsolete Kaspersky application with a code intended for a recent version

Solution

1. Find out the application name and version intended for your activation code. See this article for instructions.
2. Find out which application version is installed on your computer. See this article for instructions.
3. Download the latest version of the application that corresponds to your activation code, from the Kaspersky website:
   • Kaspersky Internet Security
   • Kaspersky Anti-Virus
   • Kaspersky Total Security
   • Kaspersky Small Office Security
4. If there is an older version of the application installed on your computer, uninstall it. See this article for instructions. 
5. Download and install the latest version of the application and activate it with the code.  

What to do if the issue persists

Useful references

How to find the information about your activation code
"Activation code is invalid for this region" error
How to find the name and the version number of a Kaspersky application
How to view the information about the license for a Kaspersky application that you are using