Windows 10: How long does a quick scan in Windows Security take?

Windows Security scans roughly 18k files in about 40 seconds on my pc. Is this normal?

submitted by /u/Lauty_6
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:)

 

Windows Defender - Quick Scan

Windows defender no longer offers a quick scan option.

My options are:

• Scan
• Advanced Scan

• Full Scan
• Custom Scan
• Windows Defender Offline scan

Whichever option I check, the scan will need to run for hours to complete.

Is a quick scan available?

How do I restore this feature?

 

Quick Scan?

Not necessarily. The time taken is calculated from the actual start and finish times. If you put the machine to Sleep/Hibernate part way through a scan the time taken will include the time spent asleep. Here's a quick scan that I put to sleep for more than 15 minutes part way through....





Uninterrupted, the same quick scan takes 1 minute 23 seconds.

 

Windows 10 Professional - Quick Scan Windows Security Does Not Complete

Hi,

I am the admin of a Windows 10 Pro machine, not on a company network.

Windows Security Quick Scan will not complete. I have tried a number of suggestions that I have seen online and nothing seems to work. I can run the offline scan, and all is good. I have also run MalwareBytes and it says the machine is clean.

After trying a number of registry fixes that did not help I did a repair reinstall. The good news is that the Windows Security service no longer closes on its own; but I still can't run a quick scan or a full scan. I can individually scan drives, and
as noted the offline scan does work.

One suggestion I saw online involved turning on a service call Windows Defender Antivirus Network Inspection service which is currently set to manual. However, that is greyed out and I can't make any changes, even though I am the owner of the machine and
IT admin has never touched the unit.

Any suggestions? Thanks.

* Moved from Win 10/Security