Thank you. Technically, this works, as I was able to change to the preferred user, but it then rendered numerous programs and shortcuts inoperable, including Outlook and my backup software. Am I...

Thank you both. I was able to change the permissions and edit as in Step 8, proceeded through Steps 9 and 10 and got stuck again on Step 11, Couldn't rename "Owner" because of an error message that...

I created a second temporary admin user name, logged in and found the correct file in the registry editor. However, every time I try to edit the user name, according to Step 8 of the tutorial here, ...