I try to update the firmware of Transmitter 500mW and receiver EzUHF 8ch. I wrong when choose the device because i thing the receiver and receiver is a packet, so i choose EzUHF 8ch Rx. There's no problem when updating the receiver. But when i updated the firmware of the transmitter with EzUHF 8ch Rx device, i got pop up window like this : Click image for larger version. 

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ID:	79103 the file i choose is EzUHFFirmware_Tx500.fw version 1.53. after i update the firmware, the transmitter doesn't turn on at all. there is no sound 'beeb' at all when turn on. it just can do firmware update. Is the bootloader error? anyone can help me, please?