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Invalid USB Port in Elite Hardware Interface

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I downloaded the latest version of Elite Hardware Interface (1.91) and installed without problems in my Windows 7 system (also updated the FTDI drivers when request). 
In Control Panel the OS recognizes correctly my 5 devices (ELITE AP4000 ADF USB, ELITE AP4000 Audio/Alt/Vs Pre USB and so on) and the drivers are the FTDI ver.
When launched, Elite Hardware Interface sees the 5 devices connected (all parts of AP4000 stack) but for each of them I get an error "INVALID USB PORT!". I tried to switch to another USB port but the error is always present. 
In X-Plane 10.45 (64 bit) they don't work.
The USB ports of my system are ok.
Any help is appreciated, thank you.


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Did you read what it says when you get "INVALID USB PORT"? Its written right on the page with the devices in the Elite Interface where it tells you INVALID SUB PORT.


It looks like you plugged them into a USB 3 port on your computer.


You need to go to the Network Page and under Elite Interface Settings select  'Open ELITE Devices using Elite Device Serial Number'. Then restart your computer.


This is only necessary on Windows 7. All Windows Version greater then 7 do not have this issue.

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