Additionally, you should uninstalled any application which was installed short time ago. In order to find those recently installed applcations, press on Installed On section and here investigate programs based on the dates it were installed. Take a better look at that list once again and uninstall any unfamiliar program.
It can also happen that you may not find any of the above listed programs which you were advised to uninstall. If you realize that you do not recognize any unreliable and unseen programs, follow the next steps in this uninstallation guide.