Network connection error during activation

Latest update: April 17, 2023 ID: 13913

This article concerns:

  • Kaspersky Anti-Virus
  • Kaspersky Internet Security
  • Kaspersky Total Security
  • Kaspersky Security Cloud
  • Kaspersky Small Office Security

A network connection error may occur when activating a Kaspersky application.


The error may occur if proxy server details are set incorrectly or the activation server is unavailable.


These recommendations apply to devices running Windows 10.
  1. Try activating the application again after a short while (e.g. in an hour). The activation server may be temporarily unavailable.
  2. Make sure your computer has latest updates installed or install the latest Windows updates using the Windows Update service. For instructions, see the Microsoft support site.
  3. Disable proxy in the Kaspersky application. See the guide below.
  4. Reset Internet Explorer settings. See the guide below.
  5. Configure DNS server. See the guide below.

How to disable a proxy server in a Kaspersky application


How to reset Internet Explorer settings


How to configure the DNS server


What to do if the solution did not help


Useful references

How to reset network settings

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