Apparently with newer versions of Windows, a program cannot
be forced-run as administrator without being signed. Instead,
if we aren't administrator, show a message box rather than confusing
the user.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
I had fixed MultiUser.nsh, but it turns out that the builtin version
has higher priority, so we kept picking that one up...
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>