1.    3 Weeks Ago #1
    Join Date : Dec 2015
    Philadelphia PA
    Posts : 30
    Windows 10 1703 Build 16179.10000

    If you turn off Real-Time Protection how long before "it turns back on


    In the Windows Defender Security Center you can turn off Real-Time Protection, but you are told that you can do so only for a short period before it turns back on automatically. How long is that short period? I turned it off and after 50 minutes it was still off. I then powered off the machine, rebooted, and Real-Time Protection was still off. I can't find the length of the "short period" documented anywhere. Anyone else have any experience with this?
    Attached Thumbnails Attached Thumbnails RealTime.PNG  
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  2.    3 Weeks Ago #2
    Join Date : Mar 2017
    Posts : 5,853
    64-bit Windows 10 Pro

    No, and I would not want to place my PC at risk to find out.
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  3.    3 Weeks Ago #3
    Join Date : Oct 2017
    Posts : 469
    Windows 10 Pro 64-bit

    I have no idea how long before real-time protection is turn back on. I have batch script that will turn off Windows Defender if anyone need this script i have attached to this post.
    If you turn off Real-Time Protection how long before "it turns back on Attached Files
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  4.    3 Weeks Ago #4
    Join Date : Dec 2015
    Philadelphia PA
    Posts : 30
    Windows 10 1703 Build 16179.10000
    Thread Starter

    Quote Originally Posted by Josey Wales View Post
    No, and I would not want to place my PC at risk to find out.
    The laptop I tested this on was behind a firewall on our router, and I was working on local files and one or two Microsoft sites, not browsing anywhere hazardous, so I don't think I was really in any danger.
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  5.    3 Weeks Ago #5
    Join Date : Jun 2017
    Posts : 114
    10 Pro 16299.15 64 Bit

    as long as you are scanning EVERYTHING you download before installing or opening it yes you can disable real time protection. i have both bitdefender total security and malwarebytes and both have all protection set to manual, and i've never had a issue as long as i do what i said above.
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  6.    3 Weeks Ago #6
    Join Date : Oct 2014
    Posts : 761
    Windows 7

    Quote Originally Posted by xXWhackerXx View Post
    as long as you are scanning EVERYTHING you download before installing or opening it yes you can disable real time protection. i have both bitdefender total security and malwarebytes and both have all protection set to manual, and i've never had a issue as long as i do what i said above.
    There was a time when I too believed that passive virus scans were good enough and that real time protection was just for people too careless or too lazy to scan all downloads. And there was a time when that was true. But that time is long past. Modern malware authors are very professional, well funded, and highly motivated. Malware authors know all about file scanners and have developed a wide variety of ways to evade them. To combat this malware scanners developed ever more sophisticated scanning methods, while malware authors developed ever more sophisticated methods of evading them. Most security experts believe that malware is winning.

    There are many viruses that can not be detected by any known file scanning method and can only be detected on a running system, by real time scanning. Even that is no guarantee but it does give you another layer of protection. God security always consists of multiple layers of protection even when one layer has no known vulnerabilities. One may be developed tomorrow.

    Nothing is certain with computer security. Malware has been found on highly trusted websites and even in commercial software. The popular product "CCleaner", used and recommended by many members of this forum, was recently infected and effected several million downloads. An infected computer may show no symptoms of any kind. I believe most symptoms are unintentional but due to bugs in the malware or interactions with other software or malware.

    As for how long before real time scanning is turned back on: I don't think you will ever see any official documentation regarding this. Microsoft doesn't want anyone to rely on this. Being undocumented the time period is subject to change at any time without notice. It may not even be consistent in any one OS installation. Introducing a random factor would be trivially simple for the developer. You may see this mentioned in some blog but the information may be obsolete even before it was published.
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  7.    3 Weeks Ago #7
    Join Date : Jun 2017
    Posts : 114
    10 Pro 16299.15 64 Bit

    LMiller7 i stand by what i said. not going to debate it.
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  8.    3 Weeks Ago #8
    Join Date : Jul 2015
    Posts : 870
    Windows 10 Home x64

    Do not EVER turn real-time protection OFF. As for the OP question: As soon as you restart the protection will be back ON.
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