Spyware is computer software that is installed surreptitiously on a personal computer to intercept or take partial control over the user's interaction with the computer, without the user's informed consent. While the term spyware suggests software that secretly monitors the user's behavior, the functions of spyware extend well beyond simple monitoring. Spyware programs can collect various types of personal information, but can also interfere with user control of the computer in other ways, such as installing additional software, redirecting Web browser activity, or diverting advertising revenue to a third party.
Definition
from Wikipedia.
Learn how to install and use Windows software that can detect and remove spyware and adware from your computer:
Note: It is recommended that you clean your computer after removing spyware by using one of the following programs:
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