Re: best pop up BLOCKER !!!
http://www.panicware.com/process_download.html?prdid=PSPROFESSIONAL < the best pop up stopper ive ever seen and used.
and ur questions regarding freezing of ur mozilla and messenger I have no idea about it because there can be so many causes about it like as running ur computer in low ram, not cleaning ur hard disk.. not disable unnecessary services which are running ets..