Unresponsive Robot Over RDP

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.