Observed Behavior

The Robot machine becomes unresponsive and shows high CPU usage at some point after starting the process execution. It occurs on Windows 10 v1903 machines.

Cause

This is a Microsoft known issue on Windows 10 v1903 which affects the runtime of the DWM.exe file, leading to high CPU usage upon completion of a Remote Desktop session.

Solution

It is highly recommended to apply the KB4522355 update on the faulty Windows machine to fix this issue.