Windows 10: Windows Defender finds a threat every time I run a quick scan, but never can I find...

Discus and support Windows Defender finds a threat every time I run a quick scan, but never can I find... in AntiVirus, Firewalls and System Security to solve the problem; Windows Defender always tells me it found a threat whenever I run a scan, even consecutively. But the Protection History is always empty just 'no... Discussion in 'AntiVirus, Firewalls and System Security' started by ZhidaQiu, Jan 2, 2020.

  1. ZhidaQiu Win User

    Windows Defender finds a threat every time I run a quick scan, but never can I find...


    Windows Defender always tells me it found a threat whenever I run a scan, even consecutively.

    But the Protection History is always empty just 'no recent operations'.

    Then I restarted the Windows Security Center as some suggestted, by these commands:

    reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /d 1 /t REG_DWORD /f

    reboot

    reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender" /v "DisableAntiSpyware" /d 0 /t REG_DWORD /freboot

    But still, one threat, and no history.

    :)
     
    ZhidaQiu, Jan 2, 2020
    #1
  2. BTC55 Win User

    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?
     
    BTC55, Jan 2, 2020
    #2
  3. Windows Defender Scans


    Yes. Malware includes all threats.

    Evaluation criteria for malware and unwanted software - Windows Defender Security Intelligence
    Windows Defender Antivirus and Microsoft antimalware FAQ - Windows Defender Security Intelligence
     
    TairikuOkami, Jan 2, 2020
    #3
  4. Windows Defender finds a threat every time I run a quick scan, but never can I find...

    Windows Defender Quick Scan question

    I just did a quick scan on my computer, when it was done in notifications area got message: Windows Defender scanned your PC At 1:42:10 on 2/28/2017 and took action against malicious software, but the windows defender screen said: Scan completed no threats
    detected during this scan. There is nothing listed in the history either, what does this mean?
     
    JeanAnneSchmidt, Jan 2, 2020
    #4
Thema:

Windows Defender finds a threat every time I run a quick scan, but never can I find...

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