Most Windows errors occur after you log in to your computer. However, the User Profile Service Failed the Logon error doesn't allow you to log in at all, which is why it's harder to fix than other ...

Much of the time, opening the Command Prompt as a regular user is all you need. Sometimes, though, you'll need to open the Command Prompt as an administrator so that you can run commands that require ...

For some reason, your Windows 10 computer lost Admin rights, every time you open an application on the screen you receive an ...