HANDLE hToken; 
TOKEN_PRIVILEGES tkp; 
 
OpenProcessToken(GetCurrentProcess(),
    TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken);
 
LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME,
    &tkp.Privileges[0].Luid); 
 
tkp.PrivilegeCount = 1;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;

AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, 
        (PTOKEN_PRIVILEGES)NULL, 0); 
 
ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE, 0);