Guys When i turned RivaTuner on and start gaming, I see this thing behind on-screen display I tried everything, even i don't know what is that or name this problem Can anyone help me please ? Screenshot attachments, this thing is gray in the left, actually, it's not just gray it's change colors fast so it's very annoying. Sorry for bad English
That is FCAT for tracking frametimes and rate. You can disable it in the RTSS Settings, uncheck this box: