After Install Windows 10 Annual updated package. one progress named CompatTelTunner.exe takes 100% disk usage. Therefore, it has to been disabled to release some resource.
You can disable the scheduled tasks that starts CompatTelTunner.exe by looking in the Task Scheduler.
Computer Management – System Tools – Task Schedule Library – Microsoft – Windows – Application Experience
or
Start – Run – taskschd.msc
Name: Microsoft Compatibility Appraiser
Location: \Microsoft\Windows\Application Experience
Collects program telemetry information if opted-in to the Microsoft Customer Experience Improvement Program.
Right click on “Microsoft Compatibility Appraiser” and select “Disable” By default, it is set to start if there is ANY network connection.