Internet problems, pop up or virus?

Ok I clicked a link a couple days ago and my comp downloaded something or another. Now it taks forever to pullup the webpage, and when the web pge pulls up, it usually desn't let me type or acts like some process is runnig, so when type words are incoplete. Also, whenever I pul up a wbpae, it pulls a whole nther web page up. I am broke so buying some new ant virus is out ofth question. I am usin adaware, and CA nti-virus?Bt they aren't cthing it!ANy way can figure out watIdowladed and getrid o it? By the ay, I can spell, but this is how y comp is runing! Thanks for help!!