Scene Builder may crash if it cannot resolve the Controller class defined in the FXML.
In the field, browse and select your installed executable: failed to open the file in the scene builder download javafx
If the error persists even with an external path set, check these common technical triggers: Scene Builder may crash if it cannot resolve
Instead of relying on the IDE's "Download JavaFX" prompt, which often fails, point IntelliJ to a standalone Scene Builder installation. Set the Path in IntelliJ : Open Settings/Preferences
: Install the latest version from the Gluon website (the current maintainer of Scene Builder). Set the Path in IntelliJ : Open Settings/Preferences ( Ctrl+Alt+S or Cmd+, ). Navigate to Languages & Frameworks > JavaFX .
Modern JDKs (version 11 and later) do not include JavaFX. You must add the JavaFX SDK to your project manually: Go to . Add the lib folder from your downloaded JavaFX SDK. 2. Version Mismatch (JDK vs. Scene Builder)