“Activation code is not suitable for this application” error

Cause

• You have entered the code corresponding to a different application.
• You have entered the code for the obsolete version of the application into the recent application version.
• You have entered the code corresponding to the new version of the application into the obsolete application version.

Solution

1. Check for which application and version your activation code is issued. Follow these detailed instructions on how to do it.
2. Find out what version of the Kaspersky Lab application is installed on your computer. See this guide.
3. Download the latest version of the application from the Kaspersky Lab website:
   • Kaspersky Internet Security
   • Kaspersky Anti-Virus
   • Kaspersky Total Security
   • Kaspersky Small Office Security
4. Install the application and activate it with your activation code. 

What to do if the issue persists