Windows 10: Cannot access or find user account

I'm currently on the latest Insider Preview version of Windows 10 Pro. I've experienced a weird issue for at least past 2-3 Preview versions. Firstly, when I try to log in with pin code, I get something like 'object info not found'. When I try go via Settings or System Panel to change pin or modify user accounts, I cannot access these menus. When I go to netplwiz, I see no user accounts. What gives? And what's the solution to this issue?

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I want to prevent one of my users access of the Microsoft Edge browser.

I have searched the web and cannot find find a way to remove or disable access to the new Edge browser. Personally, I like to use it for myself, but on my other user account, I want to prevent access to it completely. Any ideas?

 

windows 10 upgrade critical error

I cannot add a user account anywhere I can find a place to add a user does mot function

I cannot access the settings screen from right edge or bottom right corner using mouse

I went into control panel-user accounts-user accounts-manage another account-add another user in pc settings

I click on add someone else to this pc and nothing happens

I tried repairing using the installation dvd

There is no option for Automatic Repair there is a Startup Repair

It comes back with cannot repair your pc