There is a McAfee pop-up scam making the routargetingnds, Google Chrome users. Be careful before giving out your credit card info.

Threat analysts at McAfee found five Google Chrome extensions that track users' browsing activity. Collectively, the extensions have been downloaded more then 1.4 million times.

What's happening McAfee researchers spotted five Chrome extensions that were tracking user browser activity without their knowledge. They were downloaded a combined 1.4 million times before Google ...

In McAfee, the firewall blocks some programs from accessing the Internet by default, which might lead you to believe that the firewall must be disabled if you want to browse the Web.