Now the problem seems to be fixed and I have no idea why. Thanks for the tip about adding index.php to the URL!
Poe, please tell me what you did! I’ve just been struggling with the exact same problem as Ronnie TRFC. I tried to upgrade to 2.5.1 using the Automatic Update plugin, and it didn’t seem to work. It prevented me from getting to my login, so I deleted the WPAU plugin folder by FTP, then manually updated the WP files (as I have usually done). The site is updated, and it works, but I still can’t login. I tried adding index.php to the login address like: http://mydomain.ca/wp-admin/index.php and it worked! The question is how do I fix the problem properly?
