I use the computer a lot. I teach online. That said I am only moderately skilled with how computers and systems work. I know what I need to know to teach and little more. Your issue may be because of protections on your computer (desktop or laptop). It sounds like it may be trying to keep your information safe. I sometimes experience unusual changes when there are updates from Microsoft. Keep at it, and welcome back to the QB . Yes, keep a list of your passwords in what ever form that works for you just in case anything happens to your computer.