This Application Requires A Java Runtime Environment -

His left eye twitched.

.jar file instead. These often bypass the launcher issues that trigger this specific error. Stack Overflow +6 For Developers: Why your app is showing this If you are packaging an application (e.g., using Launch4j ), this error occurs because the launcher cannot find a JRE on the user's system. Stack Overflow +1 10 sites "This application requires a Java Runtime Environment." when ... Jun 29, 2567 BE — this application requires a java runtime environment

He had installed version 17. He checked the tool’s documentation: “Compatible with JRE 8 only.” His left eye twitched

If you're interested in resolving this issue or learning more about Java Runtime Environments, here are some steps you can take: using Launch4j )