Substituting the program but with a high-resolution monitors, resulting severe display errors that make the program unusable. When a font size of 200 or 250% (System Settings Windows 7 or 8) are displayed with a monitor with resolution 3840x2160 non-scalable and not scrollable window, whose control surfaces are not visible and accessible, eg in the confirmation print window for a Transfer.
The only solution that can offer Lexware is to convert even the entire system to a low resolution in Windows, making the benefits of UltraHD hardware completely destroyed.
Note: Those who have no high-resolution monitor, and does not plan to purchase such a system, is not affected.
