Do You Get Windows Defender Error 0x800106ba?

Windows Defender may show the following error message

"Application failed to initialize: 0x800106ba. A Problem caused Windows Defender to stop. To start the service, restart your computer or search Help and Support on how to start a service manually."

Read on for steps to fix this problem

Instructions

Windows Defender Service
  • Open the start menu and Control Panel
  • Select System and Maintenance and then click Administrative Tools then open Services
  • Double click on the Windows Defender service to open it, then chose the option to start automatic on start up, then click on the Start service button
Windows Defender Service
  • Save settings and reboot PC

Let me know if this helped you! Leave a comment.

1 Comment (Newest on top)

  1. Phil says:

    Defender started and then stopped.
    Comment was “some services stop automatically if they are not in use by other services or programmes”
    How do I correct this>
    Regards

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