Hi, can Windows Defender and Security Essentials runs at the same time?

I noticed 2 days back that Windows Defender was not lit and then reactivated it and have updated and scanned the PC.

Even today, I noticed it wasn't on and had to start manually.

This phenomenon occurs because Microsoft Security Essentials is already running and did everything the Defender would have?

You cannot have two antivirus running at the same time, they will do both your computer crash depending on what operating system you have.

Tags: Windows

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