Tariq,
First add the command manualy in registry & restart the windows to see if that helps, after that If it helps I can wrote a simple code to make You write & read from registry via WScript.Shell class.
HKLM means HKEY_LOCAL_MACHINE
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.