not working

I just bought teleport, it took my money from my card but when I download it,it says dameged file. I delete it and I sign out from my account and sign in back but i suprised becaouse on purchases i cant see it, i searched this app again and it says to me i have to buy it. wht is this??????

Mrsambasa about iTeleport: VNC & RDP, v6.1.6