Itch.io app on Ubuntu 20.04 LTS ...
Got this in the itch.io log while attempting to install "Interactivity - The Interactive Experience", which loads a dialog attempting to install Visual C++ 2015 Update 3, and fails with a HTTP 400. This appears in the log ...
{"time":1647133521085,"level":40,"msg":"Could not refresh upload: itch.io API error (400): /uploads/3201168: you must buy this game to download"}
May be similar to this issue? https://itch.io/t/33778/eron-demo-will-not-download-through-itch-app