HKLM\SYSTEM\CurrentControlSet\Control\
Stores information about the variations of Windows 2000 running on the computer.
Caution
Do not delete this subkey or change its contents. This subkey stores protected operating system data. Editing this data violates your Windows 2000 licensing agreement and disqualifies you from receiving Microsoft Product Support Services service. If programs try to change the data, the system stops abnormally and displays a blue screen.