Java Files & Pagefile

I am using Windows XP pro

I recently asked a question about having problems with Internet Explorer which was

1 When i click on my IE and go to any web site I sometimes have a runtime error message.
How can i stop this from appearing.

2. When i click on the OE icon it takes a while for OE to start.

I was told to go to web and download the latest Java files. Where do i find these file(please give me exact instructions).

I have 2 Hard Drives and i have read that if i move my page file to the Hard Drive that does not have my Windows installed on it can improve performance.

How do i do this