Michael and John, I recompiled on my JDK 1.7 platform and got the exact same error that I sent before. However, the brailleblaster.jar was different. It was 75K instead of 78K and now runs under Java 1.6. It looks like once you get all the loose ends tied up this will work fine. Best regards from Ohio, U.S.A., Vic E-mail: vic.beckley3@xxxxxxxxx