[samJ]

I bought a two GQ computers from Fry's Electronics,month ago but One of PC I open up two days ago and connected to internet.My last thing will be installing a virus software for viruses.When playing around suddenly the Internet Explorer start to closing and re starting continuesly and its not allowing to browes anything at all for any programe.Only Firfox can be use but the error msg screen still pops up every 5 seconds and dissappearing with the START and task bar icons.When open IE its come with some kind of virus vendor msgs asking to scan the system giving a warning that the computer is in high risk.After scaning they requested to enter your e-mail once you enter they asked $49.99 to purchase the the Virus scan software.Please help me how to fix this problem.