step six, you forgot to include EDGE which is MS Windows 10 default browser, and also will result in the same error when you try to print the homegroup password. I refuse to make Explorer my default browser, This is not s solution, merely a work-around. I can still use my desktop computer which has Windows 8.1 installed, to print the homegroup password. By the way, the series of panels related to homegroup settings, appears to be identical in both Windows 10 and Windows 8.1.
Poor response MS
I am now using the latest Inside build 14959 and this feature still does not work