Exploit Fake Flash Player [Type 1747]

Hello.

I have 64-bit win7 ultimate OS.
I'm getting "Exploit Fake Flash Player [Type 1747]" pop-up every time I go to youtube website.

Symptoms started from last 5-6 days.
It blocked all the Google services.
My AVG Anti-virus pops up every time I use ay Google services.

So, I formatted my C drive and re-install the win7.
Now I'm getting AVG pop-up only when I try to use youtube website.
It's showing the error: Exploit Fake Flash Player [Type 1747]

I also followed all the...

Exploit Fake Flash Player [Type 1747]