You mention Google and AIM... suffice to say that virtually any other websites or functions ARE accessible? But none of the PCs can do these two things?
Antivirus software in place? How are you fixed for spyware? If not, I suggest you head on over to http://www.majorgeeks.com
and download a free antivirus application such as AVG and a couple of spyware apps like Adaware and Spybot S&D and see what shakes out.
Edited by pchartwell, 30 June 2005 - 02:43 PM.