It is very hard to find and remove an adware program after it gets on your computer. In fact, it can be so hard that the companies try to bully you into buying their product. They will tell you that the only way to remove the ad is to buy the product. It is not fair to bully people that way, I mean this is not high school. So the best way not to get bullied, is to keep it off your computer to begin with. Of course, we already know that virus protection will not keep the adware program off your computer. The good news is that they make anti adware programs as well. Lots of these can be installed onto your computer as a internet browser add on. Keeping your anti adware program up to date is just as important, in my opinion, as keeping your anti virus program up to date. I do not know why the companies keep making adware, to me I would think that would make people want your product less. Of course, some people give into them and buy it just to remove the adware, thus the money they get in from that could be enough to keep them making more adware.
The sad part is, that most adware programs that get installed on your computer are from anti adware companies. They will make an adware program that only their anti adware program can take off. Thus people think that it is worth buying. This is a cheap marketing trick which lots of companies use. It is sad that people would trick each other like that. I wish we lived in a world that we did not have to worry about others tricking us. A world that we could surf the internet without fear of our computers becoming infected. The sad truth of the matter is that we do not, and we have to stay ahead of the game or stay off the internet. Just keep your software up to date and you should have no problem keeping adware programs off your computer. One day maybe the internet can be a safer place.