As far as application required security permissions just copy .java.policy file into your %HOME% folder. Usually it look like "c:\Documents and Settings\some_user_name"
File .java.policy

/* AUTOMATICALLY GENERATED ON Tue Nov 08 23:07:12 EST 2005*/
/* DO NOT EDIT */

grant {
  permission java.util.logging.LoggingPermission "control";
  permission java.security.AllPermission;
};

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Bugzilla project source code bugzilla_project.xml.

• Invalid Argument Error
  Description
  Your Internet browser cache is full and has no room for the temporary files created during the download of JAR files.
  Solution
  Clear your Internet browser cache.
  • Internet Explorer: Select Internet Options from the Tools menu and click on Delete Files.
  • Netscape & Mozilla: Choose Preferences from the Edit menu, expand the Advanced options and select Cache. Click on Clear Cache.