BuddyPress.org

1. This is not a buddypress issue.

Here are several support topics for you to choose from: They may help you.

http://www.google.com/#hl=en&expIds=17259,17291,27615&sugexp=ldymls&xhr=t&q=wordpress+login+page+not+found&cp=22&pf=p&sclient=psy&aq=0&aqi=&aql=&oq=wordpress+login+page+n&gs_rfai=&pbx=1&fp=a20cfd04ba3c5cf9