I have followed to post and it has now gone from page not found to finding page after I reset permalink. The page it finds now is blank and the sidebar has moved to nearly center of page
PHP 5.3.24 MYSQL 5.0.96 WordPress 3.6 BuddyPress 1.8.1 rtMedia 3.0.13 OS Linux Imagick ImageMagick 6.5.4-7 2012-05-07 Q16 OpenMP www.imagemagick.org GD bundled (2.0.34 compatible) [php.ini] post_max_size 33M [php.ini] upload_max_filesize 32M [php.ini] memory_limit 64M