In that case, delete all the LW receipts of Java. Reboot. Another suggestion which might seem a little painful is to install the combo 10.3.8 installation. See
http://www.apple.com/support/downloa...1038combo.html which is another solution to these types of issues.
Can you give us a description about your machine:
1. RAM
2. HDD available
3. model
4. Connection type
5. Modem & router brand name & model numbers?