In tip 2165, we used Regedit to delete a Key and all it's values.

To delete a value name, use the hyphen (-) instead of the data value.

Example: To delete the BlahBlah value name (tip 2165):

REGEDIT4

\[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ZipZap\Zap\]
"BlahBlah"=-