[TYPO3-windows] Typo3 on iis7 - cant install - blank page

[Brian Bendtsen]

Hi

I have bought at new laptop with windows vista business and Im trying to 
install TYPO3 on it.

I have intalled iis7, php 5.2.3 and mysql 5. When I call my typo3 
install page all I see is a blank page.

Im using TYPO3 4.1.1

Any ideas?

/Brian Bendtsen