Check what links are at
https://www.codeblocks.org/downloads/binaries/Non-exe options link to correct file name, but incorrect file extension (e.g. https: ... /codeblocks-25.03mingw-
nosetup.exe)
Following such incorrect link results in project's sourceforge page with "pop-up" error about not finding that file
Changing the link to "...-nosetup.zip" fixes the issue