Method #2: Utilize I forgot my PIN Option.
NGC folder in Windows 10 basically contains the built-in security protocol. How to Fix Windows 10 Cannot Add PIN Code ? Method #1: Delete Files from NGC Folder. Sometimes if this folder is missing in a Windows 10 computer, such kind of problems may also occur. If the folder gets corrupted or if the system doesn't get proper permissions and full control over this folder, the PIN option stops working and users are unable to add new PIN and login using PIN code.
Frequently Asked Questions Why is my pin not working in Windows 10?
