Latest questions about "video tool"

Kascend used to be my best application to download and watch drama, but now it seems to be removed. May I know what is the reason for doing so?

I bought Audials 8, the former version, four weeks ago. Is the key of that version the same as the latest edition?

When I want to watch live TV, the picture is very jumpy and changing channels takes a lifetime. Why is this happening and how can I fix it?