Have you noticed a process in the Task Manager called Microsoft Compatibility Telemetry consuming the most system resources?

Microsoft uses this data for future updates to fix technical problems.

But what causes it to consume so many resources that it makes your system sluggish?

Mockup of a Laptop Showing the High CPU Usage by the Microsoft Compatibility Telemetry Process in Task Manager App in Windows

Why Does the Microsoft Compatibility Telemetry Process Consume a Lot of CPU Resources?

Having said that, how can you reduce resource consumption?

Refresh the Connected User Experiences and Telemetry Service

2.

Refreshing the Connected User Experiences and Telemetry Service in Windows Services App

Expand theDelete diagnostic datamenu and hitDelete.

So, you should only resort to it when all else fails.

If it doesn’t result in your desired outcome, replace the ComparTelRunner.exe file.

Opening the Diagnostic and Feedback Settings In Windows Permissions Settings in Windows Settings App

Replace the CompatTelRunner.exe File Manually

The CompatTelRunner.exe file runs the telemetry process.

Therefore, if it becomes corrupted, you may experience high CPU usage.

The easiest way to do this is to copy a file from another system where telemetry works perfectly.

Turning Off the Toggle for Tailored Experiences by Expanding the Menu after Turning Off the Toggle Next to Send Optional Diagnostic Data in Diagnostic and Feedback Settings in Windows Settings App

Then, replace the CompatTelRunner.exe file on your rig with a healthy copy from another computer.

If this fix doesn’t work also, you should disable telemetry as a last resort.

Hopefully, the process will consume fewer resources after applying the fixes outlined in the article.

Deleting the Previous Diagnostic Data by Clicking on the Delete Button After Expanding the Delete Diagnostic Data Menu in Diagnostic and Feedback Settings in Windows Settings App

You may have to deactivate the service when none of the fixes work.

Going to the Application Experience Menu by Following the Path in Windows Task Scheduler App

Clicking on the Enabled Trigger Twice and Navigating to the Triggers Tab of Microsoft Compatibility Appraiser Task in the Task Scheduler App

Clicking on the OK Button after Checking the Box for Stop Task if it Runs Longer Than Option and Selecting the Preferred Time in Task Scheduler App

Unchecking the Box for Run Task as Soon as Possible after a Scheduled Start is Missed in Settings Tab of the Task in Task Scheduler App

Taking Ownership of the CompatTelRunner.exe File By Running a Command in the Command Prompt App on Windows