Problem:
If install JavaFX SDK to an invalid location, 2 error dialogs will appear but the info of these 2 dialog are the same. So one of them is not needed to show up.

Steps:
1. Install JavaFX SDK using command.
javafx-sdk-i586.exe INSTALLDIRFXSDK="C:/JavaFX*SDK"
2. When SDK install window appears, click "Next" button.
3. Click "Next" button in custom window.
4. The first error dialog appears. Please refer to attachment First.jpg.
5. Click "Cancel" button in error dialog. The second error dialog appears. Please refer to attachment Second.jpg.
6. Click "OK" in error dialog, the incomplete window appears.

Expected:
The second error dialog is not needed to show up. It is redundant.