Error “Key file corresponds to another application”

If activation of a Kaspersky Lab application fails with the error “Key file corresponds to another application”, try reinstalling the application.

1. Download the installer from the Kaspersky Lab website.
2. Remove the application. In the Saving objects window, select the License information checkbox. See this article for instructions.
3. Restart your PC.
4. Run the installation file and follow the instructions in these articles:
   • Kaspersky Internet Security 18, 19
   • Kaspersky Anti-Virus 18, 19 
   • Kaspersky Total Security 18, 19 
   • Kaspersky Small Office Security (5 PC, 5 FS, 6)
5. Activate the application. For activation guides, see these articles:
   • Kaspersky Internet Security 18, 19
   • Kaspersky Anti-Virus 18, 19 
   • Kaspersky Total Security 18, 19 
   • Kaspersky Small Office Security (5 PC, 5 FS, 6)

What to do if the error persists