Some Windows users have reported of multiple CompatTelRunner.exe files showing up in the Task Manager consuming CPU and Disk Usage.
I found CompatTelRunner.exe (Microsoft Compatibility Telemetry) task running in the task manager on my computer. I can’t find any solutions to get rid of it: UAC setting change didn’t help or remove the file in System32 is impossible.
Let me explain first What is Microsoft Compatibility Telemetry? The file Compatibility Telemetry is a Windows system file, rarely causes issues. The file CompatTelRunner.exe is located in C:\Windows\System32 folder. It lets Microsoft to make sure compatibility if you want to update to the Windows latest version. This process is part of a Windows Update, but it takes up storage bandwidth which makes your computer run slow, and you will most likely want to disable or remove it. In this tutorial, I will share you a few solutions how to disable or remove CompatTelRunner.exe.
How To Disable or Remove CompatTelRunner.exe Microsoft Compatibility Telemetry
Solution 1: Disable Microsoft Compatibility Telemetry from Command Prompt
The method is a very simple and easy, you just do follow these steps:
Step 1. First of all, you run Command Prompt as administrator.
Step 2. Then you type the following keys successively and hit Enter after each command:
- sc delete DiagTrack
- sc delete dmwappushservice
- echo “” > C:\ProgramData\Microsoft\Diagnosis\ETLLogs\AutoLogger\AutoLogger-Diagtrack-Listener.etl
- reg add “HKLM\SOFTWARE\Policies\Microsoft\Windows\DataCollection” /v AllowTelemetry /t REG_DWORD /d 0 /f
Step 3. Finally, you restart your computer and and check if that helps fix the issue.
Solution 2: Disable CompatTelRunner.exe from Task Scheduler
You can also disable CompatTelrunner.exe from Task Scheduler. To do that, follow these steps:
Step 1. First of all, you press Windows + R Key, and type taskschd.msc then hit OK (or tap Enter) to open Task Scheduler.
Step 2. In the left pane of Task Scheduler, you navigate to:
Task Scheduler Library -> Microsoft -> Windows -> Application Experience
Step 3. In the right pane of Task Scheduler, you look for Microsoft Compatibility Appraiser. Right-click it and select Disable.
Step 4. Now you can close Task Scheduler, restart your computer and check if that helps fix the issue.
Solution 3: Disable Telemetry and Data Collection in Windows 10
Note: Before doing this solution, you should create a System Restore point first. Because making mistakes when manipulating registry could affect your system.
Step 1. First of all, you open Registry Editor by pressing Windows Key + R, type regedit in Run dialog box and tap Enter.
Step 2. In the left pane of Registry Editor, you navigate to following registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\DataCollection
Step 3. At corresponding right pane, you create a new DWORD (32-bit) value named AllowTelemetry and set this Value data to 0.
Step 4. Now, you close Registry Editor, then open Computer Management. To do that press Windows Key + R, type compmgmt.msc and tap Enter.
Step 5. When Computer Management opens, you go to Services and Applications > Services in the left panel. In the services, you look for and disable the following services:
- Connected User Experiences and Telemetry
- Diagnostics Tracking Service
- dmwappushsvc

Step 6. Lastly, you restart your computer and check if the error resolved.
See also: How To Fix MMC could not create the snap-in
These are all solutions that help you how to disable or remove CompatTelRunner.exe. If you have any other Windows related issues you can check for the solution in my Windows fix section. Thank you for reading! Can we please hit likes and share on this article?