Error “Could not enable some protection components”

Issue

Your Kaspersky application shows the error message “Could not enable some protection components”.

Cause

The error occurred during installation of the application.

Solution

1. Check if the Base Filtering Engine service is present in the system and, if required, enable it according to the instructions.
2. Make sure that a third-party firewall isn’t installed on your computer. The list of incompatible software and the instructions on removing it are available in this article.
3. If Base Filtering Engine is enabled, but the issue persists, try reinstalling the application:
   1. Download the installer for the latest version of the application that you are using:
      • Kaspersky Standard
      • Kaspersky Plus
      • Kaspersky Premium
      • Kaspersky Internet Security
      • Kaspersky Anti-Virus
      • Kaspersky Total Security
      • Kaspersky Small Office Security
      • Kaspersky Free
   2. You can no longer download Kaspersky Security Cloud. Switch to our new Kaspersky Premium solution.
   3. Uninstall the application. In the Saving objects window, select the License information or Subscription information check box.
   4. Restart your PC.
   5. Run the installation file and follow the instructions from these articles:
      • Kaspersky Standard, Plus, Premium
      • Kaspersky Internet Security
      • Kaspersky Anti-Virus
      • Kaspersky Total Security
      • Kaspersky Small Office Security
      • Kaspersky Free
   6. The application will be activated automatically. If this doesn’t happen, activate the application manually using these instructions:
      • Kaspersky Standard, Plus, Premium
      • Kaspersky Internet Security
      • Kaspersky Anti-Virus
      • Kaspersky Total Security
      • Kaspersky Small Office Security
      • Kaspersky Free

What to do if the issue persists

If the issue persists, contact Kaspersky Customer Service.