Problem:
Had a problem with PADFlash software. Connect the USB dongle, run software and try to activate, no response, no activation message came out.
Solution:
Disable anti-virus program.
This laptop does not have a USB 2.0 port.
There is a USB Hub in the PADFlash package.
Conncet PADFlash dongle and USB cable to the USB hub as shown below.
Run software and try again.