This solution applies if you have set a MFA or an Application password on your Remote Desktop Manager application in File – Settings – Security and if you have lost your phone or locked yourself out of the application.
Close Remote Desktop Manager.
Find your RemoteDesktopManager.cfg configuration file and rename it "RemoteDesktopManager.old".
If the application was installed by default, you can locate the file:
For the Team Edition: %localappdata%\Devolutions\RemoteDesktopManager
For the Free Edition: %localappdata%\Devolutions\RemoteDesktopManager\Free
Launch Remote Desktop Manager.