I created a small project to view Jasper Reports. When I run it from the Jabaco IDE, everything works fine. When I run it as a generated exe, I see the following debug info in the console : How can I resolve this ? Thanks ! Frank (Belgium) Exception in thread "main" java.lang.SecurityException: Invalid signature file digest for Manifest main attributes at sun.security.util.SignatureFileVerifier.processImpl(Unknown Source) at sun.security.util.SignatureFileVerifier.process(Unknown Source) at java...