Can't run zipeg on Java 7u4

```
Hello!
I've tried run zipeg on Windows 7 and Windows XP with Java 7u4 and it's not 
worked! :( It's running and placed to task manager but nothing happens.

On other PC with Windows 7 and Java 6u27 it's worked fine!
```

Original issue reported on code.google.com by `Uksus...@gmail.com` on 10 May 2012 at 12:02
