Pathetic and useless loan company what a *******!!!

Pathetic and most useless company to deal with had a loan and paid up over a year now but they not updating my experian credit report everytime this account is disputed there as paid its removed and then reloaded by this credit provider as per experians knowledge I will now take legal and further action should this company not update my credit report and send a request to experian to have my account closed the instruction needs to come from them i am in position as well of the paid up letter issued by them