Problem solved! With LOG from provider we found a lack in PHP Memory, now all works fine
I renamed and/or deactivate plugins but the problem persists.
Renaming the theme directory i see nothing: a blanck empty page in homepage and error 500 in wp-admin/login.php
Now i’m waiting for log file that i asked for to the provider…
I have the same problem: after upgrade a 2.9x to 3.01 i can’t access admin interface: error 500 with login, wp-admin or any other admin pages.
I try to rename theme folder (Wynton Magazine) and plugin folder without any result; empty and/or deactivate plugin record in options table…
WP is installed in a Linux machine with MySQL 5.0.77 and all works fine with 2.9.1…
