olutex

God bless you guys. I use my laptop online very often and it has a trend securities antivirus (installed about 2 months back) I noticed 2 days ago a pop-up dialogue box that has been recurring and that reads UfNavi empty download. It seems my system is hijacked as i can't access a lot of the programmes on it now or(even attach anything to this message). what should i do please? Femi