1) after the update to 2015 the program was no longer usable. 3h work, 1h on Support telephone (konstenlos) and eventual reinstallation has again produced frustration. Without backup, I would have probably lost!
2) The data directory can not be changed! All data is under C: \ Windows \ Temp \ ... \. I can not place it on an encrypted drive, the data accordingly. Not even longer determine the path!
3) The program runs with the administration ID !!
4) In the book stack freezes the application now and again, sometimes a restart of the computer is needed to get it to work again!
My Bookings I do not give more directly in Lexware Buchhalter one but gather them in an Excel Sheet. This then I import the accountant. This is faster, easier and depends not constantly.
This is for a product with such a long history simply do not understand.