How to turn on windows Defender can not access

When I try to turn on windows Defender I get message saying Defender has been turned off.

Go to the Action Center and start from there. It only works if all other AV have been completely uninstalled.  You will need to run McAfee MCPRT if you had formerly McAfee on your computer.  I'll send the link, you can find him if necessary.

Tags: Windows

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