well .. i installed the norton antivirus and it works like a charm .. so no worry .. at least for now .. no .. i don't have porn .. i was watching vietnamese drama on phimthegio.com and all these windows started popping left and right when i visit the site ... but first time accidentally click on one of them this time .. .. guess i am not going back again... after all these; not worth it. i'll try else where ...lol .. but thanks ya'll for your help. if the problem comes back, i'll be back .. which i hope not the case.