Adware is software that harms your computer by making it run slower. What it does is, it create pathways that advertisers can use to spam the computer owner with unwanted advertisement. Normally adware record the web sites the computer user visits which are then used to find the advertisement the user should be seeing though the adware. Adware typically gets installed when you install a freeware program. The advertisement send though this software is normally e-mail spam or popups, where a different website opens up and yo would have to close it down to continue what you were doing. This is a bad thing as this give the advertiser access to your computer. It is important for your privacy and for your computer working optimal that you remove these spyware on a regular basics. The spyware creators is always one steep ahead and will find a loop that these programs goes despite that run on to your computer and this will put you at risk.
Spyware has their own executable programs, this is files that end in .EXE which allow them to record your keystrokes, scan files on your hard disks and look at other programs that you use. The spyware will send the information that it finds to the spyware author. The spyware author will use the information for advertising directly to the infected computer, or they will sell the information that they have collected to other scram marketers.
Signs of spyware infections include pop-up ads that are not related to the site you are viewing. Most spyware pop-ups are about adult contents. The other big sign that you have adware or spyware on your computer is that your computer is slowing down, there is a good chance that something has found its way on to your computer. When the Windows desktop also takes a longer time to load, its best to scan your computer for possible spyware infections.
A computer viruses known for its destruction of parts of your computer, its a destructive form of software. The computer virus is only designed to destoy your computer or programs on your computer. They will destroy anything it comes in contact with and it will try and send the computer virus to other computers by using the infected computers email account to send itself to the computer owners address book. This is why a computer virus will normally have millions of computers at the same time when you get infected it will start spreading to your contacts and they will get infected.
Nowadays, a lot of anti-virus software also provides spyware and adware scanning and removal utilities. Some programs, however, are focused on locating and deleting or destroying spyware and adware programs. Whether it is an anti-virus software or a anti-spyware dedicated scanner, they both search your computer and identify any spyware and virus installed on your system.
So what can you do to keep these nasty programs from ever getting in contact with your computer? Well first of all you can get a anti virus, anti adware and spyware program that keeps these things from you computer and lasts always updated. Finding the right program in the jungle of programs available is the key.