I would firstly, after reading the link through, clear your cache and history without letting any programmes offered in the link...IMPORTANT. Just follow the 2. Manual Pokki Virus Removal method that is at the bottom of the link. Go into your systems settings and uninstall Pokki and/ or Pokki install helper. You may have to also get rid of Pokki extensions, as per the instructions in the link, in Tools-Extensions.