HELP!!! ONE LOGIN WITH TWO SESSION AND TWO DIFFERENT ACTIVITES AND TIME LINES.

HI, I HAVE THIS PROBLEM WITH MY ELGG 1.8, EVERY TIME I LOGIN AND USE THE SITE FOR A WAIL, IT TELLS ME "FILED TO CONNECT HTTP://WWW.ABADIESOCIAL.COM/YOU MAY EXPERIENCE PROBLEM SERVING CONTENT. PLEASE REFRESH THIS PAGE." AND WHEN I REFRESH THE PAGE, IT LOGS ME OUT AND WHEN I LOG IN AGAIN, I SEE A TOTAL DIFFERENT ACTIVITY TIME LINE (OLDER POST) DISPLAYING AND THE RECENT POST MADE BY ME AND OTHER USERS ARE NO WHERE TO BE FOUND. WHEN I GO TO ADMIN PANEL TO VIEW PLUGINS, I SEE PLUGINS I DELETED STILL SHOWING UP. WHAT COULD THIS MEAN AND HOW CAN I RESOLVE IT? THANKYOU.