If you installed TimeServ and wish to remove it, delete the following registry keys:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\EventLog\Application\TimeServ

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\TimeServ

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Serrvices\EventLog\Applications\TimeServ

Use Control Panel / Services to verify that the service is now disabled. When you restart your computer, the service will be removed.