Adware is software that displays ads (comes from English, ad = advertisement, software = program). Adware is usually installed unintentionally, as no one wants to be constantly bombarded with ads while using their computer.
Adware often track our computer usage to display advertising that is related to our search engine searches, or in relation to the sites we visit. Therefore, these adware have a bit of a spy.
Adware can enter us for various reasons. For example, we can find pages that ask us to install a program to access certain content. Remember that it is never good to allow a program that we have not requested to be installed on our system. Another typical way that adware is installed on our computer is through other software, which is surely offered for free. We can try to install a program that in principle is not negative and that has been given to us for free somewhere, but during the installation of that program, adware may also be installed. Generally, the program itself asks whether or not you want to install adware, but many times the option to prevent the installation of adware is hidden or it is made mandatory to install the adware in order to work with the program that is being installed.
Since no one wants to have adware on our system, these programs often give a lot of trouble to uninstall. In many cases, even if we try to uninstall them, they restore themselves to the system after the computer restarts. In any case, it is best that they do not enter.
To prevent adware from being installed, there are sentinel programs that detect these malicious programs and similar ones such as spyware. When they try to sneak this software into our computer, they themselves are in charge of stopping the installation, or suggesting that we not install it, leaving the user the final decision to install it or not. These programs, in many cases, also help us uninstall adware.
We have commented an antispyware program:
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