pdfSam 3.3.5 setup shows empty language selection box

"pdfSam 3.3.5 setup" from rapps

0.4.11-RC-33-gb27a643

Reproduction steps
-(download Java 8u11 from rapps if you are interested in main app startup)
-run pdfsam 3.3.5 msi based setup
-click next until you reach the language selection screen of setup

Expected result
content in the language selection combobox, like xpsp3_lang.png

Observed result
empty language selection combobox
0.4.11-RC-33-gb27a643__emptyLang.png
0.4.11-RC-33-gb27a643__emptyLang.log