Can't log in as admin or use PHP5

[Fropoo]

Hi

If I use php 5 i get a blank screen, if i use php4 it does work but whenever I log in and click on something like settings i get logged out again. Ideas?

[SamEA]

If using PHP 5, try to include short_tags in php.ini, and see if that solves your problem. In regards to PHP 4, it seems to be either a server configuration problem, or you don't have cookies enabled (try using another browser.