How to Run Windows Defender

Windows Defender is a special feature that was released by Microsoft in Windows Vista. It can also be used in Windows XP, but you have to download it. It is mainly designed to detect and block malicious programs, such as spyware, adware and Trojans. It also finds out the potential threats in the system and eliminates them.

A lot of people use antivirus software to protect their computers. Although the antivirus software has plenty of benefits, there are a few concerns as well. These programs put plenty of pressure on the system and as a result, the speed clearly goes down. If you are not using an advanced computer, the antivirus program will surely make your life very problematic.

In such circumstances, Windows Defender provides some relief to the user. It is user friendly, and gives great amount of comfort. Several computer experts believe that the Windows Defender does not give hundred percent protection, but still there are no questions over its worth.

It definitely warns you about the potential dangers, and tries to remove them. If you are using genuine Windows Vista, this program will surely reduce your worries. It is imperative that this program stays on in your computer.

Running it is not a tough thing to do. Once the Defender is switched on, it will continue to work in the background. It hardly affects the machine’s speed.


  • 1

    First of all, make sure you are not running too many programs at a time. Multitasking puts massive burden on the RAM and as a result, the machine gets slow automatically. Turn off all the unnecessary programs.

  • 2

    Go to the ‘Start’ menu and enter the Control Panel.

  • 3

    The Vista user will find the icon of Windows Defender right in front. You will need to double-click to run it.

  • 4

    Push the ‘Scan’ button and this will quickly start a total system scan with Defender.

  • 5

    The scan might take several minutes, depending on the speed of your computer. Once it is done, click ‘Tools’ and deselect ‘Options’.

  • 6

    You will find the box labelled "Automatically scan my computer" right under the heading of automatic scanning. If it is already checked, directly select times for scans by using drop-down menus.

    Scroll down and make sure that the "Use Windows Defender" box is checked. The final step is to click on ‘Save’. Close the window now. Your Windows Defender is up and running now.

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