Ghost control input

I'm trying to play Splinter Cell 3 CT on Windows 7 x64.
When ingame there are "ghost" control inputs not made by me that cause the character to move on its own. In one observed case it even caused a weapon draw without any input from me.
I thought this might be related to FPS issues so I capped it at 30 but to no avail. Tried several different resolutions as well without any changes to the ghost input behavior. Unplugging the keyboard does not change anything either.
Is there anyone who has experienced this issue before and knows how to fix this?
Pictures about "Ghost control input"



How do you use ghost controls on the keyboard?
RESTORING YOUR KEYPAD BACK TO FACTORY DEFAULTHow do you reset ghost controls on the keyboard?
Hold down BOTH the "JOG OPEN" and "JOG CLOSE" for the 1st Arm. Turn the system's control board ON and continue to hold down the JOG OPEN and JOG CLOSE buttons until the unit stops beeps count to 3 and release. Your system has now reset.Ghost Controls Gate Opener Kit Installation Video
Sources: Stack Exchange - This article follows the attribution requirements of Stack Exchange and is licensed under CC BY-SA 3.0.
Images: Anete Lusina, Anete Lusina, Dayvison de Oliveira Silva, Dayvison de Oliveira Silva