Many of us often encounter the problem of spyware after a few days of internet browsing in the computer. The system all of a sudden displays several hundreds of advertisements or says that a new spyware has been found. The windows XP start displaying the security alert and you panic. Except the software professionals who are well aware of the technical terms other graduates often don’t understand the exact meaning of spyware. Most of them often neglect this security alert and tries to click on the links or download the free software that is available.

Understanding the exact meaning of this infection is not that difficult. It is a special program that has been designed without the consent of a person. This application that is created has the ability to change the configuration of a particular hardware that it comes across. Further, this software also collects the personal information, as the user IDs, the passwords and other IP addresses that are being used.  This information that has been gathered is transferred to a third person without the knowledge of the person concerned. Very often it is seen to be associated with the software that displays the advertisements. The sensitive information is easily tracked by spyware.

The presence of spyware in a computer often reduces the productivity and life span of the computer. Several changes occur in the system and very frequently the system gets hangs. This means that the computer gets slowed down. The spyware is so designed that it has the ability to change the home page of search page of a particular web browser. It can also add unwanted browser programs. The addition of these programs makes it difficult to change back to the original settings. To be most effective you can use free antivirus software which should destroy the threat.

It is very essential to have a clear cut idea of the authentic software’s that are available in the Internet. Who ever opts to install free software that is available must be well aware of its terms and conditions with detailed information about the performance of the software. By installation of known software the spyware often doesn’t enter into a computer, but most often these are pushed into a computer when tries to share a music or video file or clicks on the unknown links that arise in between the internet browsing. So before installation of software, one has to be very cautious and have a thorough read out of all the disclosures available about the program that one wishes to have. The license agreement and the privacy statements that are available with the application should also be read before installation so that their computer does not get affected by spyware.   

How can one identify the presence of a spyware in a computer? The easiest way of identification of the presence of this infection in a computer is that the system starts behaving strangely and very often the advertisements are seen popping up in between a program or on immediate switching on of the computer. Even though the web of spyware is not browsed its presence is seen in the computer. The second indication comes from the visual appearance of the computer. The original settings of computer get changed and it becomes very difficult to restore them. Download free antivirus software programs to help get rid of the problem.

Very often it is also seen that the additional components are seen in a web browser that are not downloaded.  These often appear as additional toolbars in a web browser that is very frequently used.  In spite of the deletion of these spyware toolbars they again and again make their appearance every time the computer is switched on. It changes the appearance of the computer in that it makes its behavior sluggish. As the spyware is designed in an efficient manner, in the process of displaying the advertisements or during the process of tracking the personal sensitive information this slows down the working speed of affected users operating system and hardware. Sometimes the computer software may even get crashed without any prior indication.

Several ways are available to prevent the occurrence of spyware in a computer. It is well known that the infection pushes itself into a computer hardware along with other programs or even with the web sites that have been unscrupulously designed. Installation of a firewall and free antivirus software often provides a sort of defense mechanism against the spyware. The Firewall gets built up with the Windows XP.  Further a person who ever is using Windows XP or Windows Vista has to turn on the Automatic updates and be sure that the software’s that are downloaded are the updated, latest and are secure enough.

Apart from these one can also set the security in the settings available with the internet explorer and set them to the medium or high degree as per the requirement of a web browser. With the setting of the internet security settings it is possible for a person to clearly define the amount of information that one wishes to accept from a particular web site. An easiest way to overcome the unwanted software or the presence of spyware is to download and install a free antivirus software in the form of a windows defender. The secure way of attaining protection against the presence of such infections in a computer is to avoid downloading the unwanted software.  If one desires to download a software he should download that particular one only from a trusted web site from a trusted program. An easiest way of identifying a trusted program is to give its key word in a search engine and to check for the presence of any sort of spyware that it contained.

 Never neglect to read all the security warnings, the license agreements or the privacy statements that are often associated with the software that is desired to be downloaded. Before closing a window that crept in between by using  ‘Ok’ or ‘agree’ button, it is always advisable to click the red “X” that is present at the corner of a particular window. You can also use the control key button “Alt+F4” to close that window.  Most of the song and video files also have spyware inside them. Thos people who wish to download songs should examine those links properly and then download them from a reputed website. Those people, who examine software’s available in the internet properly, will be able to protect their systems from spyware.