sahdowlord

hi there i have a problem with the instalation of the firmware i try to install and everything is ok but in 99 % make a error the printer is on and tue usb is conected in the first image say the version is confirmed in 99 % say this error an all is ok. printer on and conected usb.. when pulse in retry .. the bar stop in 28 % and send to print infinte page in blank the only way to stop is disconnect usb and next so... i try to install with the V3 version and V2. somebody can help me? thanks