When I try to deactivate all my plugins, I get this error:
Warning: Cannot modify header information - headers already sent by (output started at /home/ringside/public_html/wp-settings.php:465) in /home/ringside/public_html/wp-includes/pluggable.php on line 850
This has also been showing up in my error log:
[17-Jan-2009 02:52:30] PHP Warning: Cannot modify header information – headers already sent by (output started at /home/ringside/public_html/wp-settings.php:465) in /home/ringside/public_html/wp-includes/feed-rss2.php on line 8