The Microsoft Compatibility Telemetry is a service in Windows 10 and Windows 11. It periodically sends data to Microsoft which contains technical data about how the Windows devices and their related software are working. That’s one thing, but it can take up high disk usage and CPU as seen in the task manager.
Disable Microsoft Compatibility Telemetry
To disable Microsoft Compatibility Appraiser you have to open Task Scheduler and go to Task Scheduler Library -> Microsoft -> Windows -> Application Experience.
In the list windows right click Microsoft Compatibility Appraiser and press Disable