I got the same problem here in Thailand. The camera stopped to work after about 18 months of use. I did not use much, only make family pictures and no movie shooting that can remember. Error 80, managed to turn it on couple of times after remove and ...
I got the same problem with my 70D camera, used it one a half year and simply stoped to work, error 80 and after that died. To fix this problem Canon have to take responsibility