Windows Upgrade Help and more

Agreed. Also, try disabling Secure Boot, saving and exiting the BIOS, then going right back in to re-enable it—sometimes that forces a proper reset.

This. You could also try using Rufus to create a bootable USB, it has an option to remove the TPM and secure boot requirements during creation. Hope that helps.

+1 If that didn't work, have you tried checking if the Windows Audio service is running?

+1 I had the same problem after last week's update. It turned out to be a new security step for my account. Good luck!