When your computer slows down and behaves strangely, chances are you have adware installed. You didn't ask for it, but neither did you ask for new toolbars, websites you don't recognize, continuous popups! Read on to know just how annoying and dangerous adware can be.

Adware doesn't let your computer respond quickly to your commands. When you click to go to a website, it takes you elsewhere and you wonder why. Adware presents you with toolbars you never asked for and keeps adding strange new websites to your favorite folder so that it looks like you gave it permission to be there. Here's the worst part - it steals your personal information, spies on you and sells this information to advertisers who can then irritate you with a flood of advertisements that they think you are interested in.

Nobody Is Spared From Adware

Practically every computer that connects to the Internet has loads of spyware and adware getting into it, collecting confidential information from the user. This can be in the form of information about browsing habits, or more serious threats like spying on your credit card number, and other personally identifiable information so that it can misuse it and put you in danger.

Adware can be basically defined as software that tracks your activities on the Internet so that it can trigger off pop-up ads and other marketing-related actions. It installs components in your system without your being aware of it so that it can collect personal data like surfing habits and other demographics. Saying no when adware asks you has nothing to do with what it does. It just goes right ahead and installs itself in your system.

In recent times, adware and spyware have been evolving so fast that it is more than adware removal tool manufacturers can do to keep up with them. Adware poses a major security risk to any computer and every user must make it a point to ensure that he or she runs a scan to clear their systems from adware and spyware. The Internet has many free adware removal tools, which can help you do this. But you've got to be cautious in selecting a reliable vendor. There's every chance that a vendor who promises to remove all the adware from your computer will do just the opposite - that is, install more spyware and adware. Reliable adware removal tools can protect you against unwanted intruders like adware in your system.

Look around and compare the features of various paid adware removal tools available. While some free adware removal software will only scan your computer and present you with the results, they won't actually clean it from your computer until you buy it. Beware of this ruse.