Getting prompted for password after upgrading to 8.5.2

I upgraded to 8.5.2 from 8.5.1fp4. Now I am always getting prompted for my password when starting Notes. I would rather it use my Windows credentials like before. How do I reset that?

Subject: re: using OS password

File - Securing - User Security (to get to the dialog below)

Subject: fixed

Rebooting PC seems to beat it into submission.