Windows Defender - Fix Unable to Turn On

ByLine
How to Fix Windows Defender when it Fails to Turn On
Synopsis
This tutorial will show you how to turn on windows defender when it fails to turn on.
How to Fix Windows Defender when it Fails to Turn On



Here's How:
1. Right-click Command Prompt and Run as Administrator. Type the following command:​
winmgmt /verifyrepository
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2. If the system returns "WMI repository is not consistent", run this command:​
NOTE: The first time you run this it will fail. (It will issue stop commands to the services causing it to fail. It might take a couple minutes for the
services to shut down). Run the command again. You actually may have to run it 3 times before it finally runs and completes on its own.​
winmgmt /salvagerepository
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3. Reboot your system.​
4. If the above steps does not work please try the steps below :​
A) Right-click Command Prompt and Run as Administrator. Type the following command:​
B) net stop winmgmt
C) Press Y and press ENTER to continue​
D) cd %windir%\system32\wbem
E) ren repository repository.old
F) net start winmgmt
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