Yep, I have the JAR file in the same directory, still I can't run it. Even if I double click it I get a window saying:Failed to load Main-Class manifest attribute from C:\...UBD.jar
But if you guys can run it, then it's a problem with my computer. I'll check it out.
Edit: Now it works! Ignore me, I'm getting old. I had J2SE Runtime Environment, but donwloaded fresh JVM.Download Java software for Windows from Sun Microsystems