To my surprise, the G Data realized after installing the update and immediately three viruses in my hitherto seemingly clean system. Zuindest Kaspersky has claimed at this most intense tests. As alleged in the tests, the positive-going repair rate is very low, so I wound up had to delete these files also insignificant.
Compared to the Kaspersky G Data is very easy to use. Even the settings "for experienced users" are easy to understand. That made me initially a little doubt in this program and the recognition, but was unjustified.
The program is in my opinion quite resource consuming. I have a very current notebook, so I have no restrictions. However, the G Data is only conditionally recommended for older systems. Especially when using mail programs you realize significant losses in performance.