GPO Policy Settings for SmartRunner installation:
This setting is required for robots to execute without auto locking of machines
"Interactive logon: Do not require CTRL+ALT+DEL" : Enabled
"Interactive logon: Message title for users attempting to log on" : Empty
"Interactive logon: Message text for users attempting to log on" : Empty
"Enable screen saver" : Disabled 
"Password protect the screen saver" : Disabled 
"Screen saver timeout" : Disabled