I also don't understand what is the reason to use a custom SumatraPDF installer. https://blog.kowalczyk.info/article/8nqb/writing-a-custom-installer-for-windows-software.html 2022-10-25 17:25, Andreas Schamanek rašė: > My goodness! Thank you! But I must be missing something crucial: Why > does it work with `start /wait` but not without?