[PHP] Problem with session_start after upgrading from 4.0.6 to 4.3.1

Hello, I'm using an apache server 1.3.28 on RedHat GNU/Linux 6.2 with php 4.3.1. Before, I was using apache 1.3.14 with php 4.0.6. Since I have upgraded, I have problems with session_start. I have tried to set register_globals either to on or to off but it has no effect on this problem. Example

[PHP] problem with session_start

Hello, after execution of session_start, the browser (IE) tries to save the document instead of viewing the pdf-file. After removing the line with session_start() all works fine. configuration: Linux(2.4.2), Apache 1.3.22, PHP 4.0.6, PDFlib 4.0.1. Any thoughts? Bye Roy ?php //get