Protection for Windows
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FAQ: Protection for Windows


On this page you can find the answers to most common questions asked by our customers. All guides are detailed and written for first-time users of Kaspersky Lab products. If you experience any difficulties when using Kaspersky Anti-Virus, Kaspersky Internet Security, Kaspersky Total Security, or Kaspersky Small Office Security, try looking for a solution to problem below. 

If you haven’t found a solution to your problem on this page, please contact us.


Current license (subscription) shows as expired, although it was renewed automatically and payment completed successfully


How to add a reserve code if current license is still active?


How to apply a new activation code?


Activation fails stating “This key is already in use”


Where to download and how to install the application?


I've lost my activation code. How can I recover it?


How to get a refund?


How to cancel subscription auto renewal?


Installation stops with an error


An error occurred during database update


I forgot my password. What should I do?


Barclays provided me with a Kaspersky Lab license


How do I contact Kaspersky Lab Technical Support?

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