Windows 10: Why are two Windows Defender Scans running at once?

I'm currently facing an issue that I haven't seen anyone else deal with. Every time I open up my Task Manager, There are two Windows Defender Scans running at once and they take up all my CPU which is an IntelR CoreTM i5-4570TE @ 2.70 GHz. I am able to close them in the Task Manager, but whenever I close Task Manager and re-open it, the two Windows Defender Scans start up again. The only solution I have right now is to simply leave my Task Manager open so that the Windows Defender Scans don't start up again. I would like to keep Windows real-time Protection on while having scans off.Any

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How do I get Windows Defender to run a daily scan?

Hi Bill,

To run the Windows Defender automatically, we suggest that you follow the steps on this link:

Schedule a scan in Windows Defender.

Regards.

 

Defender not Running Regular Scan


I've never understood the need some people feel to set up a scheduled task to run a Defender scan. For the past year the automatic maintenance has run Defender scans for me.

That is, until the Anniversary Upgrade - it broke something and Defender never ran another scan. It finally alerted me that a scan was long overdue. I followed the suggestion on another thread...
Windows Defender No Longer Performs AutoScan
...and the automatic maintenance scans are back to running regularly again.

 

defender scans

Hi Ian,

Thanks for posting your query on Microsoft Community.

This issue might occur if you have set any task scheduler for Windows Defender.

I suggest you to delete the task for Windows defender and check if it helps.

Follow the below steps:

• 
  Search and open Schedule tasks.
  
• 
  In the left-hand menu, open the Task Scheduler Library, then select
  Microsoft >Windows >Windows Defender.
  
• 
  Double-click Windows Defender Scheduled Scan.
  
• 
  Select the Triggers panel, then select Delete.
  

Hope it helps, reply to us with the status of your issue. We will be happy to assist you.