Just upgraded wordpress to 2.3, but can't access upgrade.php. Doing so gives an error 500 internal server error.
Error log shows this
[Thu Oct 11 17:36:50 2007] [alert] [client 18.104.22.168] /home/purples/public_html/main/martynblog/wp-admin/.htaccess: Invalid command 'SecFilterInheritance', perhaps mis-spelled or defined by a module not included in the server configuration
Actual blog is scrambled,
blog - http://www.purplesunset.co.uk/main/martynblog