Pop ups telling me my computer isn't protected?

Ive got all the anti virus protection etc i need, But i still get a pop up telling me my computer is at risk or infected. when i click on it it seams to be a sales pitch for microsoft how do i get rid of this pop up before i smash my computer to bits

Pop ups telling me my computer isn't protected?antispam

http://www.superantispyware.com/superant... that u have what u need....lets clean the pc first

go to start..run..type in msconfig.....press ok...new window...press start up..select disable all.press apply..press ok

go to start..run..type in prefetchin new window in top left corner..select edit..select all..press delete.......yes..delete all...

go to start..all programs..system tools..disc clean up..select c drive..after it has finished analyzing..check all the boxes..press ok..when it has finished cleaning..it will disappear...

now go to start..control panel...folder options.....view...u will see a option that says "show all hidden files and folders"..check that..press apply..press ok.....

ok....now we need to go into safe mode....turn off ur computer.....as soon as u turn it back on...u have to press f8 repeatedly until u see a screen that shows u several different options.....u need to enter the option " safe mode" use the arrow keys on keyboard to scrool to it..then press enter...after u afew moments..u will see log on as.....admin or user....select user....after that u will see ur desktop......now open antispyware..( please update this b4 going into safe mode)..click scan my computer....select full or complete system scan.....then press next..it might take ahour or so..after it has finished..remove what ever it finds...now close superantispyware....