help required on php 4.2.3 installation

Hi I am new to programming and want some help. i have at present PHP 4.0.2 installed from nusphere autoinstall CD , I tried to install php 4.2.3 after downloading it from php.net but couldnt install it from both the windows installer and the library one. after installing php the web pages that i had running under older php just stopped running , it sometime hanged the machine (Win me + apache server ) too. I returned to old php version and things started to work again any ideas anyone how to install new php , vivek __________________________________________________ Do you Yahoo!? Y! Web Hosting - Let the expert host your web site http://webhosting.yahoo.com/