Your ROOT_URL in app.ini is https://git.cloudchain.link/ but you are visiting https://dash.bss.nz/open-source-mirrors/Prowlarr/commits/commit/4c7c7e8a623c134b40fd0136f36252f067b93706/distribution/windows/setup/inno/WizModernSmallImage.bmp
You should set ROOT_URL correctly, otherwise the web may not work correctly.