The Jam54 Launcher is used to install and update all of the software developed by jam54. The launcher itself is written in Java and JavaFX.

jwsclient Minimally Java Web Start compatible launcher for .exe wrapping with Launch4j for Windows. The sole idea is to avoid the crazy security popups from javaws when using real JWS and to improve ...

Specifically, the "install" button remains stuck on "waiting on install" without the launcher downloading the necessary game files/folders.