What Are Icons Lower Right Hand Corner Computer I Have An Annoying Pop Up That Keeps Coming Up In My Lower Right Hand Screen?

I have an annoying pop up that keeps coming up in my lower right hand screen? - what are icons lower right hand corner computer

where the icons are hidden and anti-virus that does not really work, because you're buying that, after the work is still needed to download to your computer .... I delete, and all, but it always comes and I can not do the icon in the lower right corner of your life with me .... Suggestions?