I am running windows XP with service pack 3 on an 8 year old pc. In the add remove programs there are multiple titles with different rev numbers like J25E runtime enviorment 5.0 with updates 6,9,10 and 11. Can I delete 6,9 and 10 and just keep 11. Same with Java (TM6) updates 2,3,5 and 7. Can...