Start     REG_DWORD     Start constant
Specifies the starting values for the service as follows:

START TYPE     LOADER     MEANING

0x0            Kernel     Represents a part of the
(Boot)                    driver stack for the boot
                          (startup) volume and must
                          therefore be loaded by the
                          Boot Loader.

0x1            I/O        Represents a driver to be loaded
(System)       subsystem  at Kernel initialization.

0x2            Service    To be loaded or started
(Auto load)    Control    automatically for all startups,
               Manager    regardless of service type.

0x3            Service    Available, regardless of type,
(Load on       Control    but will not be started until
demand)        Manager    the user starts it (for example,
                          by using the Devices icon in
                          Control Panel).

0x4            Service    NOT TO BE STARTED UNDER ANY
(disabled)     Control    CONDITIONS.
               Manager