Please check your USB keyboard connection for the presence of a keylogger

"A change in the USB keyboard connection has detected. Please check your USB keyboard connection for the presence of a keylogger.":

Go to LES server. Open Management Console. Click Machine-specific settings - > Insert Computer:

Search for computer name and click add:

Select computer object and set options:

Scroll down for USB key logger options, uncheck "Block, notify and log event":

Send policy to client:

On the client computer unplug and plug USB keyboard and celebrate :)