Scenario: USB keypad attached to computer, girder detects events from it. Would like to use the keypad to trigger events in girder (during screensaver or not)

Problem: girder does not pick up the button press as an event, but windows does and requests login info (if screensaver was on)

Is there a way to make my usb keypad control girder but not windows?
Or is there a way to make keyboard events work during screensaver?

Thanks guys.