I know my way around computers. I solve others' computer problems at work. Yet I am totally flummoxed when it comes to why TCM Watch Now works on my android device, works on my iPhone, but does not work on a Win 10, Win 7, Linux Mint 17.x, Ubuntu machine. Unless, of course, TCM, which is run by Time Warner, is as --- oh, wait, that explains everything.
Don't expect a fix. They're Time Warner. They don't have to fix.