Adware, or advertising-supported software, is any software package which automatically plays, displays, or downloads advertisements to a computer. These advertisements can be in the form of a pop-up.
Anti adware is the one that protects your pc from adware.To know more about adware , anti adware and adware products click here 
What are the best anti adware products ?
      Many of the people who came to know about adware , has to come to know about the best anti-adware software trusted by millions of users , well according to experts suggestions , in order to prevent my computer from adware , i downloaded the free Ad-Aware Internet Security from Lavasoft.Click here to go to the download page.