Windows difender is corrupt. does not

Windows Defender does not work on my pc with vista. I am unable to turn on because it shows the error by clicking turn on. is it necessary to activate for the bases of security of microsoft (anti virus) to work? Help, please

Windows Defender is not necessary if you use AVG, Microsoft Security Essentials, Norton, McAfee and a few others. These AV programs have their own antispyware component builtin and allows you to disable Windows Defender by design.

Tags: Windows

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