Pam-u2f configuration isnt working

[keescase]

Welcome to the forum

No idea but maybe this will help.
Or this topic ?

Yubico authenticator

okay first off I’m not 100% sure I have this in the right category so if not, I apologize, that said however, literally last night my yubikey worked with the app, and today it throws the “helper program not responding” or whatever it was, guides online say to reinstall, now it wont even LET me install, the bugger throws an exit code 1, and I tried installing it to another pc that’s never had the app, and it does the same not responding problem, leaving me locked out of my 2fa devices, so, anybod…