Whong place, NOT instant messaging related at all.
NO pertinent informations provided.
What OS, and version? What browser do you use? How many toolbars are installed? Any new add on or plug-in? What are the specs of your computer? How many background process are running? What kind of web page?
Sory, but nobody can guess your actual problem, and thus, nobody can help you.
Electro, December 2011