Windows defender in my windows vista computer is disabled and is not letting me open to turn on

I try to open windows defender and I get a message saying is turned off, I click it and it won't let me open to turn on.

Any luck that you have one of the following installed antivirus programs?

Norton
McAfee
AVG
Microsoft Security Essentials

If Yes, then what is happening is normal.
It's because anti-virus programs have their own advocate.
Saw 2 defenders running on the computer is redundant and also create conflicts.
They are supposed to close Windows Defender.

Tags: Windows

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