Windows 10: Microsoft’s update breaks Windows Defender’s scanning feature

Some Windows 10 users have been troubled after applying the September 2019 cumulative update due to critical bugs like broken Start menu and Network adapter failures. Following a catalogue of disasters, another bug appears to be hitting Windows 10.

According to various reports, a security update shipped recently appears to break Windows Defender’s manual scanning capabilities.

According to posts on Reddit, Windows 10’s Feedback Hub and as well as platforms like Twitter, Windows Defender update breaks quick and full scanning feature. If you try to perform a quick or full scan, the process ends abruptly in less than a minute after scanning only a handful number of files.

We were able to reproduce this behaviour on multiple systems with both quick and full scan:



“I open windows defender, do a full scan. The scan only looks at the first 4 files and closes abruptly. Seems like it’s not working correctly. Offline scan doesn’t work at all,” a user said in a post on Windows 10’s Feedback Hub.

“Windows Defender wont let me do a full scan, it stops after 40-50 files,” another user documented this bug on Twitter.

“I’ve been having the same issue. I got 3 files scanned on my laptop, and 40 files scanned on my desktop. Fired up a clean VM and I got 5 files scanned on the new VM. I submitted a feedback option on the Feedback Hub,” another user confirmed the weird bug.

According to Microsoft’s Update Catalog, Windows Defender Antivirus version 4.18.1908.7 is the latest version of the security program and it was shipped on September 16.

Microsoft hasn’t acknowledged the bug just yet and the update is still available for download, but since it is a widespread issue, a fix will be rolled out in the coming hours. Until then, your best option is to use Windows Defender’s Custom scan feature.

If you have encountered the problem yourself, let us know in the comments section below.

The post Microsoft’s update breaks Windows Defender’s scanning feature appeared first on Windows Latest

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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.

 

Windows Defender Released

Microsoft has released the final version of its Windows Defender anti-spyware utility. Windows Defender is a product of the Microsoft acquisition of GIANT Software. Previously known as Windows AntiSpyware, after a two years beta period it's now available for Windows XP and Windows Server 2003 under the name Windows Defender. Windows Defender incorporates Real-Time Protection to monitor systems for spyware activity, automated spyware removal with scheduled scans, full integration with Internet Explorer 7.0 and automatic spyware definition updates from Microsoft. Windows Defender is available freely to all customers running a genuine copy of Windows. Microsoft has also announced that customers will each be allowed to report two support incidents for free with Windows XP and Windows Server 2003.

Source: DailyTech

 

"Attestation" A new feature coming to Windows Defender in Windows 10

*Frown If you wish to make clearly biased, opportunistic bashes at Microsoft, Windows Defender, and WD's on-demand scanning times which have absolutely nothing to do with the new "System Guard Runtime Attestation" feature, please start your own thread for your rants.

Thanks.