I've read all related posts I could find already such as this:
I don't have any of the plugins listed there. Using WP 1.5, PHP 4.3.11, MySQL 4.1.10a and using the "Flex" theme.
Plugins I do have active:
Basically, when I submit a comment, I'll see a blank page after adding the comment. The comment gets added to the database and everything, just nothing is displayed on the wp-comments-post.php page.
Can anyone help me? Much appreciated!