Hello everybody, I'm not necessarily fluent in English, but I'll give it a try.
When I look for Realstzle, he does not tell me Realtrak or Realdrumm found although all are in the bb folder yu. I'm really desperate and wanted to return the program. It just always makes such a problem. I'm not a beginner when it comes to folder structures or installation files. But I noticed that Band in a Box has several bad codings. Now back to topic. Does anyone have a hint where to start? In Netyt you will find everything except what instructions in German. One is really stuck there.

Here are some things I would try:

First of all, which package and version of BIAB do you have (Pro, MegaPak, UltraPlusPak, EverythingPak)? More information will help us users better help you.

Second, I would make sure that BIAB is pointing to the correct folders for RealTracks and RealDrums. In the RealTracks and RealDrums settings, there is a place to change where they are located. By default, if you installed everything to C:\BB, the locations would be C:\BB\RealTracks and C:\BB\Drums); however, they could also be located on your external USB drive (in which case, make sure the driver letter is correct - Windows does not always consistently reassign the same drive letter each time you plug it in).

Third, make sure you are running the most recent update to your version of BIAB.