If you encounter the "Invalid key" error when trying to activate a Kaspersky application, wait for an hour and try again. The activation server may be unavailable due to maintenance.
If this doesn't help, remove the license from the application and then activate it again:
If the solution didn't work, contact Kaspersky technical support by choosing the topic and filling out the form.
Please let us know what you think about the site design, improvements we could add and any errors we need to eliminate
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.