Error message “Could not enable some protection components” or “An update error has occurred”

If you get the error “Could not enable some protection components” or “An update error has occurred” in a Kaspersky Lab application, it means that some of the application files are corrupted and the application must be reinstalled. To reinstall the application:

1. Download the installer from the Knowledge Base:
   • Kaspersky Internet Security
   • Kaspersky Anti-Virus
   • Kaspersky Total Security
   • Kaspersky Security Cloud
   • Kaspersky Small Office Security
2. Remove the application. Make sure the checkbox for License information is selected at the Saving objects step.  For the removal guide, see this article.
3. Restart your computer.
4. Run the installation file. Find the installation guide for your application in the list:
   • Kaspersky Internet Security
   • Kaspersky Anti-Virus 
   • Kaspersky Total Security 
   • Kaspersky Security Cloud
   • Kaspersky Small Office Security
5. Activate the application. Find the activation guide for your application in the list:
   • Kaspersky Internet Security
   • Kaspersky Anti-Virus  
   • Kaspersky Total Security 
   • Kaspersky Security Cloud
   • Kaspersky Small Office Security

If the error persists, submit a request to Kaspersky Lab technical support with a detailed description of the issue: 

• Through My Kaspersky for Kaspersky Internet Security, Kaspersky Anti-Virus, Kaspersky Total Security, and Kaspersky Security Cloud. See the Online Help page for instructions.
• Through the Kaspersky Small Office Security Management Console for Kaspersky Small Office Security. See the Online Help page for instructions.