HELP!! Can't Log In and Edit My Site!

When I try to log in to the Admin page it goes to a blank page with this: Fatal error: Allowed memory size of 41943040 bytes exhausted (tried to allocate 122880 bytes) in /data/10/0/111/81/926244/user/947061/htdocs/wordpress1/wp-admin/includes/media.php on line 2049 it’s bluestreakonline.com The started after I added a GTMatrix Widget. Please Help! I can't get in! Thanks! Kevin West Voice-over Guy