What does the error 'invalid path" mean?
It means that that path for the compiler or virtual machine is not configured correctly in JCreator.
Make sure you have the Java Development Kit suite installed from Sun, instead of the Java Runtime Environment.
1. JDK Version 1.6:
http://java.sun.com/javase/downloads/index.jsp.
2. Click JDK 6, and you will be forwarded to the download page.
3. After the installation, start JCreator.
4. Click Configure > Options.
5. In the tree, select JDK Profiles.
6. Click the New button.
7. Browse to the root directory of the JDK installation. For example, C:Program FilesJavajdk1.6.0.
8. On the Profile Settings dialog box, check to see if the Name field contains the version of the selected JDK directory.
9. Click File > New Project.
10. Create a test project from the Basic Java Application template.
11. Compile and run the project by pressing F7 and F5 on the keyboard.
12. JCreator now runs your Java application.