I have got the same problem
I use Customiser with IgorskFlash 2.1
Nummer 5 is OK
Nummer 6 is bad (It canīt run )
Nummer 7 => Reader is briked
"Firmware update is not finished correctly. Please execute firmware update again."
When I conect USB cable
'Updating firmware now...'
i have PRS-500 Updater 1.0.03.07170.download
I canīt update (button is grey)
.