Remove Pop-up Ads and place Adverts from Internet Explorer, Firefox and Chrome

Pop-up ads, or advertising-supported software, is any software package which automatically renders advertisements in order to generate revenue for its author. The advertisements may be in the user interface of the software or on a screen presented to the user during the installation process. The functions may be designed to analyze which Internet sites the user visits and to present advertising pertinent to the types of goods or services featured there. The term is sometimes used to refer to software that displays unwanted advertisements

Adware, or advertising-supported software, displays advertising banners or pop-ups on your computer when you use your Internet Browser (Internet Explorer, Mozilla Firefox, Google Chrome or Opera). This is not necessarily a bad thing. Such advertising can fund the development of useful software, which is then distributed free (for example, Android apps, many of which are adware funded).
However, adware becomes a problem if it: