Since the release of Remote Desktop Manager 13, some users have experienced high CPU usage on their systems, especially in Terminal Services / Remote Desktop Services (RDS) environment. This is caused by the entry state verification feature.
This option is available with version 13.0.13.0 and above.
Solution
Disable the option Allow entry states (Lock, Running, Checkout) in Administration – System Settings – General to improve performance on your servers and your workstations.