I would take it lightly or not take it at all. That German AV testing company I've never even heard of until lately, and most of what I've seen about them is less than respectable.
To put it in other words, they are trash.
Not to mention that is for Windows 7 and prior, Windows 8 has a more enhanced version of MSE built right into the OS along with the new kernel which a lot of Windows hackers are calling "hard" to break.
- Windows 8.1 x64
- Computer type