About this tag
The reinstall defender tag on WindowsForum.com covers discussions about reinstalling or repairing Microsoft Defender, including its Advanced Threat Protection service. Common issues include error 1067 when starting the service, which may require a full reinstall or repair of Defender components. Users share troubleshooting steps for restoring Defender functionality after corruption or failed updates.
  1. Distorted Vision

    Windows 11 Unable to start Windows Defender Advanced Threat Protection Service

    Window could not start the Windows Defender Advanced Threat Protection service on Local Computer Error 1067. The process terminated unexpectedly.
    • Distorted Vision
    • Thread
    • advanced threat protection atp service defender advanced threat protection service defender for endpoint dependency service error 1067 event viewer process terminated unexpectedly reinstall defender service error service startup failure startup issues troubleshooting windows 10 windows 11 windows defender windows services
    • Replies: 73
    • Forum: Windows Help and Support