Complain

I need help to anyone who can assist me. I had accounts with one of cash loans institution. Those loans were all paid up. When I received my credit those accounts still appear as if not paidup. I tried to do an dispute to transunion till today those accounts still reflect as active and on areas. I want vehicle my applications keeps rejecting. Due my bad credit history as those accounts reflect. Anyone can help me or advise me what to do now?