Bwints

can you still login?
http://www.blackrosetoo.com/wp-admin

Im no expert but it seems to be a theme issue. Id try activating another theme just to test.

If not give this a read: http://wordpress.org/support/topic/this-file-doesnt-do-anything-but-loads?replies=4
and
http://wordpress.org/support/topic/index-help?replies=3