How to open Defender with pre-installed Win8?

  
                  

My computer is Win8, which is pre-installed in the notebook. Click on the Windows Defender software under the Metro interface. Tip:

“Windows Defender is turned off and your computer will not be monitored. & Rdquo; in the following figure:

Unable to open Windows defender, how to do? Causes and solutions: Generally, the anti-virus software is installed in the pre-installed system, so Windows Defender is not needed, and sometimes it will cause conflicts. If you have to play Windows Defender, you can uninstall the pre-installed anti-virus software. to Y470 example, antivirus software is preinstalled Mcafee

step a: control panel Mcafee unloading, as shown below:

step two: the prompted to restart the machine, Go to “Control Panel”“System Security"Operation Center"   Click“Enable Now” Windows defender. When enabled, the “Update Now” button will be displayed. normally open Windows defender: the following figure:


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