Bad service and unhelpful personal

I would like to complain about my experience with Stadio, I registered with them and at first I was unable to login to complete my assessments in the first semester and I was not in the Gauteng area and due to that I tried to get hold of the institution from my cellphone but was not successful and finally when I got back I went to them I tried to sort this out and only managed to get them to give me a copy of my exam timetable so when I asked about the assessment I was told that it will be treated as a supplementary assessment in semester 2, and I than went back to register for the second semester I was assisted and did not get any study material so after a week I went back again and informed them but I was referred to the IT department to assist me but the IT guy only printed the assessment question papers and when I asked about the 1 semester the IT guy just laughed in my face and said I won't be able to submit as it is closed and when I asked what's the way forward regarding it he just pulled up his shoulders and I asked him how come he gives me assessment for semester 2 and I don't have a study guide book for semester 2, he then rep**** that I must use the study guide for semester 1