Advertising windows, also known as pop-ups, generate revenue for their developers. They can appear when visiting certain websites or after the installation of programs, called adwares. Typically, these programs are installed when you download certain free programs. You can install them without knowing it, since its installation is only specified in the conditions of use that almost nobody reads.
After the adware is installed, pop-up windows will appear even if you are not surfing the Internet. These programs can modify the home page and search engine of your web browser in order to generate traffic to the pages of some search engines. Because removal of adware is difficult, they are considered as potentially unwanted programs.
This same method is used by botnets, computer robots, for the purpose of generating money. The botmaster installs adware on infected computers and makes money with the appearance of advertising pop-ups.
Pop-up blockers are no longer required for blocking pop-up ads. Current web browsers already incorporate these tools. In addition, advertising on web pages is not only found in the form of pop-ups.
However, if you want you can use the AdBlock extension that is available for Firefox and Google Chrome.
How To Delete Adwares
To remove adwares installed on your computer, you can use AdwCleaner. This program also allows to eliminate the majority of unwanted programs that modify the configuration of the web browser. Its use is simple. Just download AdwCleaner here (by Xplode) and save it to your Desktop. After this, double click the icon to start the program. Then click Delete and wait while AdwCleaner scans and removes adware and other unwanted programs:
How To Get Rid of Unwanted Toolbars
You can also uninstall the useless toolbars that slow down your computer. These toolbars offer services (such as a Yahoo! or Google search engine) and add features that browsers generally include by default. In addition, toolbars keep track of the pages you visit so they can send you personalized advertising, which can lead to privacy issues. Because toolbars slow down the PC, it is best not to use them.
To remove the toolbars, go to the Windows Control Panel and uninstall programs that have the name Toolbar / Conduit. If you have a computer running Windows Vista / 7, go to Start > Control Panel > Programs and Features. If your computer has Windows XP, go to Start > Control Panel > Add or Remove Programs.
How To Stop and Prevent Installing Unwanted Adware and Pop-ups
WOT Is a tool that can help you to filter the sites that install this type of unwanted programs.
If you use Avast or AVG, do not forget to activate the PUP / LPI detection.