SC
Software Conspiracy

✦ PC Optimization

Disable Windows 11 telemetry — The safe way

Disabling all Windows telemetry breaks Windows Update. Disabling the right specific services is safe and recovers measurable CPU and bandwidth.

Time
10 min
Difficulty
easy
Applies to
Windows 11, Windows 10
Updated
May 25, 2026

Symptoms

  • ▸Background processes uploading data on idle
  • ▸CompatTelRunner.exe running scheduled tasks
  • ▸DiagTrack high CPU after sign-in

Likely causes

  • ▸Connected User Experiences and Telemetry (DiagTrack) sending diagnostic data
  • ▸Customer Experience Improvement Program (CEIP) tasks
  • ▸CompatTelRunner.exe collecting app compatibility data

How to fix it — step by step

  1. 01

    Set telemetry to Security level

    Settings → Privacy & security → Diagnostics & feedback → Send optional diagnostic data → Off.

  2. 02

    Disable DiagTrack service

    sc config DiagTrack start=disabled
net stop DiagTrack
  3. 03

    Disable telemetry scheduled tasks

    schtasks /Change /TN "\Microsoft\Windows\Application Experience\Microsoft Compatibility Appraiser" /Disable
schtasks /Change /TN "\Microsoft\Windows\Customer Experience Improvement Program\Consolidator" /Disable
  4. 04

    Disable Activity History

    Settings → Privacy & security → Activity history → Store my activity history on this device → Off.

Frequently Asked Questions

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