If a Kaspersky application returns the error message "The key file is not compatible", then the entered activation code is obsolete or intended for another application.
To continue using the product, do the following:
If the error persists, submit a request to Kaspersky technical support by choosing the topic and filling out the form.
Error “Your activation code is already saved in the application” or “Activation code is saved”
Please let us know how we can make this website more comfortable for you
Thank you for submitting your feedback. We will review your feedback shortly.
Your feedback will be used for content improvement purposes only. If you need assistance, please contact technical support.
Your suggestions will help improve this article.
