The Syscheck is done bye the magix support. Please contact them. With a syscheck they can get anonymous facts from your PC like processor, soundcard, burner, driver.....via a knowledge data base they can analyse with these information what is your problem....
Contacting Magix Support via e-mail is fine. Just make sure you use the contact form on the official support website. If your enquiry was successful, you will get an automatic confirmation e-mail.