Trouble installing FFXI on windows 7

I'm having troubles installing FFXI onto my PC. I installed POL fine and I installed FFXI but when I try to open FFXI or the config it says "Final Fantasy XI config or Final Fantasy XI had stopped working" then closes and gives me the details

Problem signature:
Problem Event Name: APPCRASH
Application Name: FINAL FANTASY XI Config.exe
Application Version: 3.0.0.0
Application Timestamp: 41047e30
Fault Module Name: StackHash_4e5d
Fault Module Version: 0.0.0.0
Fault Module Timestamp: 00000000
Exception Code: c0000005
Exception Offset: 7ffde000
OS Version: 6.1.7601.2.1.0.256.1
Locale ID: 2057
Additional Information 1: 4e5d
Additional Information 2: 4e5d5dc6aabf76cc679d707f73217047
Additional Information 3: c3f4
Additional Information 4: c3f4f21ff0efa95302412e4fece51da2

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Anyone have any idea how I can fix this?

Trying to remember because it was a while ago that I had to reinstall the game due to a virus on my pc.

I have Windows 7 and I'm pretty sure I had to use the Vista instructions on POL for the game.

did u go online and down load the windows 7 version of pol the one on there disk doesnt work for windows 7

Ya I downloaded the POL viewer off of the POL site. I read a couple of other forums and they said to just download POL and install FFXI from the discs then do the updates and it should work hopefully after the updates are installed. So I'm hoping that works.