Local Security Policy This is the quickest method, even if you've never heard of or used this part of Windows. There's a policy called Accounts: Rename administrator account that's easy to edit.

May have been due to one of the functions/tasks that Microsoft has set up to happen after installing 24H2 that assumes that most people are regular users logging in with a local admin account and ...

Why Windows admin accounts are risky When using an administrator account, Windows can freely create and delete local user accounts, change passwords, and execute actions that would otherwise be ...

Use Windows ISO (USB) to upgrade 1] Create a Local administrator account The most straightforward solution to fix the issues is to create a local admin account, and use that to update Windows.