"Query devices timeout,please reconnect the Box and retry"
different error code. but, you can try this methode
Open regedit find Zegobit and delete Folder Terinstal 419 exe Update online to 455 (bug flashing MTK)
Try Downgrade than open android tool box not emmc tool box. if program running w/o error, exit program and download latest version install it w/o del old ufi folder
