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Windows Defender not running

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Windows Defender not running

Postby ColaBoy » Tue Apr 25, 2017 10:56 am

For some reason it has turned off and when I try and turn it on I receive the error message:

Windows cannot change some of your settings

Error code 0x8007042c

I have run SpyBot and Malwarebytes but neither have spotted any problems. How can I fix this?
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Re: Windows Defender not running

Postby Gecko » Thu Apr 27, 2017 2:24 pm

Error code 0x8007042c is basically a firewall not started error.

Follow the three steps outlined on this Microsoft page ... s-firewall

1. Download and scan with Microsoft Safety Scanner
2. Manually start windows firewall
3. Create and run Repair.bat file
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