*
 *****************************************************/
int TaskSwitching_Enable_Disable(BOOL bEnableDisable)
{
    if (!bEnableDisable)
    {
        if (!hKeyboardHook)
  {
            // Install the low-level keyboard hook
            hKeyboardHook  = SetWindowsHookEx(WH_KEYBOARD_LL,
                                              LowLevelKeyboardProc,
                                              hInst,
                                              0);
   if (!hKeyboardHook)
    return 0;
  }
    }
    else
    {
        UnhookWindowsHookEx(hKeyboardHook);
        hKeyboardHook = NULL;
    }

    return 1;
}

/****************************************
 * Disable Task Manager (CTRL+ALT+DEL). *
 * TRUE=Enable, FALSE=Disable           *
 * (Win NT/2K/XP)                       *
 ****************************************/
int TaskManager_Enable_Disable(BOOL bEnableDisable)
{
    #define KEY_DISABLETASKMGR  "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System"
    #define VAL_DISABLETASKMGR  "DisableTaskMgr"

    HKEY    hKey;
    DWORD   val;
 LONG r;

    if (RegOpenKey(HKEY_CURRENT_USER, KEY_DISABLETASKMGR, &hKey) != ERROR_SUCCESS)
        if (RegCreateKey(HKEY_CURRENT_USER, KEY_DISABLETASKMGR, &hKey) != ERROR_SUCCESS)
   return 0;

    if (bEnableDisable) // Enable
    {
        r = RegDeleteValue(hKey, VAL_DISABLETASKMGR);
    }
    else           &nb