Hmm, ok. Still haven't figured out, and I've done an OS reinstall and another installation of JDK1.3.. I'll keep trying to figure it out.

In case anyone cares, here's the whole error message:

C:\apps\FURI>java -jar phex.jar
count = 0, total = 465
Exception in thread "main" java.util.zip.ZipException: invalid CEN header (bad signature)
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(Unknown Source)
at java.util.jar.JarFile.<init>(Unknown Source)
at java.util.jar.JarFile.<init>(Unknown Source)

Thanks again for your work on Phex.. Sounds great, hope I can try it soon.