Kaspersky Activation Error

  • If you have exceeded the number of devices that can be installed with one license, you will receive the Kaspersky Activation error.
  • Consider the steps given below to fix the Activation error occurring on your computer.
  • Launch the Kaspersky main application window.
  • Select the Licensing option to see the number of devices the current license covers. You can view it in the License type section.
Kaspersky Activation Error

Activation Error - 0x0000002 or Untrusted Server Certificate:

  • Check if the entered license key is correct.
  • If you are activating Kaspersky on another device, cross-check the license key twice before clicking on the Activate button. Otherwise you will receive the Kaspersky activation error.
  • Verify whether the date and time settings on your computer are correct.
  • If not, click on the Date and Time section on the right-bottom corner of the screen.
  • Select the Change Date and Time Settings option and click on the Change date and time button.
  • Set the correct date and time. Then, click OK to save the settings.
  • If you have activated Kaspersky using the License key only to the number of devices that cover your package, you can contact the Kaspersky Lab Technical Support and give the information about the purchase of the activation code.

Activation Error – Unable To Connect To Server:

  • You may receive this type of activation error if you have installed the Kaspersky Internet Security Antivirus software on your computer.
  • If your computer is infected with a networm, you may receive this type of error.
  • Update your operating system and all other applications on your computer to prevent the attack of malware and ransomware.
  • If the error is not resolved, reinstall the Kaspersky program.
  • Check if your internet connection is fast and uninterrupted.
  • Disable any Firewall active on your computer and try activating Kaspersky once again.
  • If the Kaspersky activation error still persists, try activating Kaspersky after an hour to stop the error from appearing.


Our website offers only instructions for a learning purpose and does not duplicate any brands or product manufacturers, including their images, content, or any trademarks as provided in Disclaimer. The company reserves the legal right to change any content on the website at any time. We are not liable for the data or file loss on your device in case of any third-party intervention occurs without our knowledge.

Antivirus Setup