Hello to anyone having this issue still in 2023! For anyone that has tried all steps and has not found a solution without losing your profile, please try this first.
The tool called Windows Repair Toolbox is designed to help with almost any fixable issue with windows. One you get the program from their official website Free you can then open it and use the account fixer under repairs.
Only use this After you do an SFC check under the windows options please to avoid any corrupted files or permissions causing headaches.
The program creates another account for you and compares all permissions and such to fix the old profile. Works like a charm