http://bugs.winehq.org/show_bug.cgi?id=19838
--- Comment #10 from Austin English austinenglish@gmail.com 2012-04-02 03:15:46 CDT --- 13ddfa1862b74bdbbc06fc8766b36b9b73b25760 SetupImgBurn_2.5.7.0.exe
works fine in 1.5.1, though it was 'Add folder' on that menu, not 'New folder', which confused me initially :).
Added about 7 folders at different levels, no problems. Can you retest? I'm not sure if the program itself changed as well..