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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 23%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
Reset Windows Defender.
Settings > Apps > Apps & features > Windows Security > three dots > Advanced options > Reset.
Windows Defender stopped before completing
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(128, 8%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
Anonymous
The Event Viewer repeatedly Warns that the Windows Defender scan has been stopped before completion. There has been no user intervention to stop the scan. Why? What can be done?
Windows for business | Windows Client for IT Pros | Devices and deployment | Configure application groups
Windows for business | Windows Client for IT Pros | User experience | Other
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(89.60000000000001, 81%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERA%3C/text%3E%3C/svg%3E)
Reza-Ameri 17,341 Reputation points Volunteer Moderator2022-08-30T16:17:10.063+00:00 Are you seeing this message during full scan or quick scan?
Have you observed it stopping?
Are you seeing any error message?
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2 answers
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Limitless Technology 39,926 Reputation points2022-09-01T07:29:54.84+00:00 Hi ,
Try booting into Safemode and then run a full system scan with Windows Defender:
https://support.microsoft.com/help/12376/windows-10-start-your-pc-in-safe-mode
I hope this answers your question.
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