But when you install it, all of a sudden your browser’s home page has changed, the search engine you were using has been replaced (and may be redirecting you to places you don’t want to go!), and you’re seeing pop-up ads everywhere. Let’s say that you’re surfing along and decide you want to use a third-party program, so you Google its name and find a site that offers a download. One icky thing I’m seeing more frequently these days is adware installed on Macs.
