You will need to log into Windows 10 every time you restart your computer. If that doesn't work, we can help you here..
Problems logging into Windows 10 can have several causes. Especially after a Windows update, it can often happen that a login is not possible. Here we explain exactly what you can do in such a case.
Only basic Windows functions are available to you in Safe Mode and is primarily useful for troubleshooting your PC. Because if the problem doesn't occur in Safe Mode, you know that default settings and drivers aren't causing it.