Ouch. No easy solution yet; this problem looks like an issue for a new thread.

Developers of other java apps are noting a new conflict with the QuickTime 7.0.4 Update and 10.3.9, and the solutions to the previous problem don't work this time. I haven't found a link to a practical fix so far.

Quicktime 7.0.4 kills Java application

Here's the link to an uninstaller Quicktime 701 Reinstaller for Quicktime 7.0.4