Since from last year...

Since from last year been sending complaints to Multichoice about the balance on my account that i have no idea how it came to that..till todate it has not been fixed...a person from muilichoice will call and say they will investigate and come back and no one will bother to do so....people working from Multichoice are using people's accounts for thier friends to watch free..and we as customers a Has to suffer for....they know this thing is happening hence they don't even bother to fix such complaints..now they have handed my ac for collection..how can a person owe 3900 for DSTV..when it was closed not paying..they failing to give me answers