Demici

Anyone know about a Mustang drive that shows up when you ask for a deep look inside your computer but as soon as you got into that it dissaperars but my router is turned off and my computer is making me feel as if I am going crazy. feel like I am being stalked. I also put my puter to bed turn all off log out and shut down but next day all my interface is different. And my microsoft account is not visiable. if you can help I would be so greatful. sorry about typos I am Dyslexic