subject: Adware: What Is It? [print this page] It is very important to remove these because as mentioned, some will include spywares and most of them run without the user realizing it. They can also dramatically slow down the performance of the computer. Many anti-virus programs have been written that include the detection and removal of adwares, almost all of them in fact. Some may offer a separate adware and spyware removal package. There are also very good anti-virus programs that are free to download which already includes adware and spyware removal.
