Windows Defender

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Why am I being asked to run Windows Defender every 2 or 3 days in Windows 10??

 

[BretWin10]

how do you mean "being asked" ?

I have Windows Defender on my main PC running with Avast as my Anti Virus,
opened Windows Defender, I clicked on ' Turn On' & it shows 'PC Status: Windows Defender Periodic Scanning is ON
Windows Defender just runs a Periodic scan, it shows in Action Center 'Windows Defender Recent Windows Defender Results
Windows Defender scanned your PC at xxxxxxxxxx



I have Windows Defender on my Insider PC (no other Anti-Virus running)
Windows Defender just runs & shows in Action Center 'Windows Defender Recent Windows Defender Results
Windows Defender scanned your PC at xxxxxxxxxx



on both devices I ran Task Scheduler as Admin,
Task Scheduler Library > Microsoft > Windows > Windows Defender
Actions (top right), Create a Basic Task ...

Name : Defender Update
Description : Defender Virus & Spyware Version Updates


Task Trigger
When do you want the task to start? : Daily


Daily
Start : set your time & date (or leave as default, change later)
Recur every: 1 days (leave as default, change later)


Action
What action do you want the task to perform? : Start Program


Start a Program
Browse... : C:\Program Files\Windows Defender\MpCmdRun.exe


Summary
click Finish (return to Task Schedular)

next, click on 'Properties' (right colum, 3rd from bottom)
click on 'Triggers Tab', click Edit,

Edit your preferences for :
Start, Date & Time
Recur every,
check the box, Repeat Task every X hour ... for a duration of X day
check box Enabled