Activation errors
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Kaspersky Internet Security provides optimal protection for your computer. Apart from basic security options, the application protects your internet connection, web camera stream, online payments, and your children from online threats. It also allows blocking banner ads, prevents data collection and provides protection using hardware virtualization.

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"Cannot set up SSL connection” error05 August 2021
Internal activation server error05 August 2022
"You have exceeded the maximum number of activations allowed for the entered activation code" error25 January 2023
Error "License has expired" or "Activation period has expired"05 August 2022
Cannot add key if it has expired05 October 2022
Error "Key file creation or registration date is invalid. Check system date settings"11 July 2022
"Activation code is invalid for this region" error05 August 2022
Subscription status update error19 April 2022
Error "Trial version has expired"18 October 2022
“Unknown error” during activation05 August 2022
"This activation code is no longer supported" error19 January 2021
Error "Local security certificate issue"15 January 2021
"Invalid key" error20 January 2021
“Key is blocked” error31 January 2023
“Cannot activate the application under a license for beta testing” error21 August 2020
Error "Activation code corresponds to another application” or “The activation code does not apply to this application”14 December 2022
"The license does not apply to this application" error06 October 2022
Error "The key file is not compatible"07 July 2021
Error "Invalid activation code"11 March 2021
Error “Activation code is not suitable for this application" or “The entered activation code does not apply to this application”20 December 2022
Network connection error. DNS issue05 August 2022
My Kaspersky account verification is required for activation of the application10 September 2020
Network connection error during activation15 July 2022
Error "This license expires earlier than the current license"11 March 2021
"Using the trial version of the application on this computer is not available" error11 March 2021
Error “Key file corresponds to another application”06 December 2022
What to do if characters cannot be typed into the activation code field in a Kaspersky application12 October 2022
License problem in the My Kaspersky account11 March 2021
What to do if the license for your Kaspersky application did not renew automatically27 January 2023
“Service provider server is not available” error10 March 2021
Error establishing an HTTPS connection with the Kaspersky server01 September 2022
Why do I see a subscription or license renewal notification if none of my subscriptions or licenses is about to expire?09 March 2022
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