Latest windows 11 update disabled my usb audio interface

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For the cross reference our OP mentioned:

Windows 11 disabled my audio interface

A big update came in a day ago, and now I find that about a minute after reboot, my audio interface stops working. Unfortunately this is an old Lexicon Lambda device which is no longer supported by the manufacturer. I had to go though a rather laborious process of disabling windows driver signature checks to get the driver installed in the first place. But now it looks as if they have upped the ante on unsigned driver checks. I’m guessing that there is some new daemon process which runs afte…