It turns out some of my releases, mainly those with extra note “Credits to Razor12911” require “Visual C++ Redistributable 2013 64bit” to be installed. Without it installer will not work properly. You can get it from many sources, just one example link:
Few examples what will happen when you have it installed and when you don’t:
Some time later I’ll work on a solution to get rid of this requirement (or proper info will be added to the second page of installer). Thanks to everyone who reported this issue. Any other/similar problems can be reported as usual through this email:
Update 23.06.2020 - I decided to put info in second page of installer for every setup which requires VC2013. Currently around 10 releases have this information (out of 40-60 total).