I lost the account. Don't know what happened. when i went to that site again i wasn't logged in. it was an anonymous account. no username or password set.

oh i ran advanced system care. It cleared the cookies!!

Can i get a refund or can i recover that account?

https://blockchain.info/tx/8631379e135a7f31b11f3532442df63a32921cc661990d88fd7bd3cc7e47642e