Win10 windows defender can not open /can not start

  
after installing win10 some users encountered the failure to start windows defender, this problem may be two reasons: one is once installed third-party security software, Windows defender can not open after uninstall. The second is that this is the BUG of the system. Here is a brief introduction to how to deal with it.

First, we open the run window (shortcut key is windows key + R), enter: services.msc, here we can check whether the Windows defender service is corresponding to the boot C: /Program Files /Windows Defender/MsMpEng.exe, if it has been tampered with, we can fix it at this time

Second, if the Windows defender service is correspondingly started is C:/Program Files/Windows Defender/MsMpEng. Exe, there is no problem starting the service, this is likely to be a bug that comes with Windows. In this case, right click on the “Start button” and select “Command Prompt (Administrator)”. , enter the following command sc start WinDefend Enable, and then press “ enter key & rdquo;.

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