@ALLEN-JACKSON Sounds like driver problems. For a better judgement we need some information about your computer, if you use audio interfaces, MIDI controllers, if your Windows and drivers are all up-to-date. You can also upload a screenshot of your Music Maker audio settings to this forum by using the blue arrow icon above the text box.
@ALLEN-JACKSON In my experience it can take a minute until the program shows you that the login we successful. But it seems like Magix has some server issues today. So maybe these server issues are causing that.