Hello Chris
Thanks a lot for your answer.
I can see the Yubikey in Devices and Printers as you describe it:
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I have checked successfully with Neo Manager that the connection mode was OTP+U2F+CCID. I can confirm that OTP is enabled:
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neoman_2016-02-19_17-48-29.png [ 10.97 KiB | Viewed 2466 times ]
And I run the command lines from an Administrator's Powershell Window.
If fact, I tried both, Administrator and non-Adminitrator, without success.
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yubi3.png [ 5.87 KiB | Viewed 2466 times ]
I also detect no card with the last version of gpg4win.
Would I have a way to generate some log files?
Best regards