Kaspersky Internet Security 20
Activation errors
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"Cannot set up SSL connection” error11 July 2023
Internal activation server error4 April 2023
"You have exceeded the maximum number of activations allowed for the entered activation code" error9 February 2023
Error "License has expired" or "Activation period has expired"4 April 2023
Cannot add key if it has expired11 July 2023
Error "Key file creation or registration date is invalid. Check system date settings"11 July 2023
"Activation code is invalid for this region" error4 April 2023
"Incorrect certification center" error11 July 2023
Subscription status update error27 February 2023
Error "Trial version has expired"18 October 2022
“Unknown error” during activating a Kaspersky application8 September 2023
"This activation code is no longer supported" error11 December 2023
Error "Local security certificate issue"11 July 2023
“Invalid key” error2 February 2024
“Key is blocked” error11 July 2023
Error "Activation code corresponds to another application” or “The activation code does not apply to this application”10 July 2023
"The license does not apply to this application" error11 July 2023
Error "The key file is not compatible"11 July 2023
Error "Invalid activation code"11 July 2023
What to do if a Kaspersky application prompts you to decrease the license term7 February 2023
Error “Your activation code is already saved in the application” or “Activation code is saved”14 November 2023
Error “Activation code is not suitable for this application" or “The entered activation code does not apply to this application”27 February 2023
Network connection error. DNS issue11 July 2023
My Kaspersky account verification is required for activation of the application10 September 2020
Network connection error during activation17 April 2023
Error "This license expires earlier than the current license"11 July 2023
"Using the trial version of the application on this computer is not available" error11 July 2023
Error “Key file corresponds to another application”27 February 2023
What to do if characters cannot be typed into the activation code field in a Kaspersky application11 July 2023
License problem in the My Kaspersky account11 July 2023
“Service provider server is not available” error27 February 2023
Error establishing an HTTPS connection with the Kaspersky server11 July 2023
How to get Kaspersky Internet Security 20 trace files and send them to Kaspersky11 July 2023
Why do I see a subscription or license renewal notification if none of my subscriptions or licenses is about to expire?9 February 2023
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