"Can you please tell me that how can i save my PC from such a virus and scam product Advanced PC care help me"
And perhaps an easy and simple answer to that question, is to do some research into a programme 'before' you download and use that programme. There is plenty of information, usually via a Google search or asking on a forum, about such programmes.
Many people fall into a ring of hope, when they see the word free, yet go no further to check if there are limitations or fees required at a later stage. And I suppose most if not all of us have fallen into that trap, at sometime.
What I would suggest is that you download one of the highly recommended malware programmes like MalwareBytes, and see what that finds. I use among other things SuperAntiSpyware, which is similar to MB, but goes that one step further by, updating daily.
If its a virus that you are concerned about, then perhaps look at Avast, which is free to use in a domestic form, and comes highly recommended.