Windows 10: Change Windows Defender Controlled Folder Access Settings - Windows 10

Discus and support Change Windows Defender Controlled Folder Access Settings - Windows 10 in Windows 10 Tutorials to solve the problem; Tried it for about 15 minutes then turned it off again*Shock It was blocking *RedcardedOneDrive & File Explorer*Redcarded from making changes, and... Discussion in 'Windows 10 Tutorials' started by Cliff S, Oct 20, 2017.

  1. Cliff S New Member

    Change Windows Defender Controlled Folder Access Settings - Windows 10


    Tried it for about 15 minutes then turned it off again*Shock

    It was blocking *RedcardedOneDrive & File Explorer*Redcarded from making changes, and if I need to white list Microsoft's own built in software*Shock, to me anyhow, disaster is preprogrammed*Sad

    Oh, and it even blocked me from restoring something from the recycle bin!

    :)
     
    Cliff S, Oct 20, 2017
    #1
  2. Brink
    Brink New Member

    Change Windows Defender Controlled Folder Access Settings - Windows 10

    Yep, it'll literally block everything for a protected folder until allowed.
     
    Brink, Oct 20, 2017
    #4
  3. Cliff S New Member
    That makes it only good for work PC's(running SAP) and kiosk mode then(both where there will be no changes or deletions made), because it doesn't at least present you with a link to the .exe to white list something, like restore from recycle bin, or to whatever OneDrive process.
     
    Cliff S, Oct 20, 2017
    #5
  4. Brink
    Brink New Member
    It would be nice if it had some sort if UAC style Yes/No to approve for a controlled folder instead of just this below.


    Change Windows Defender Controlled Folder Access Settings - Windows 10 [​IMG]
     
    Brink, Oct 20, 2017
    #6
  5. Has not the registry path and value changed or is it just for Home?

    Code: reg add "HKLM\Software\Microsoft\Windows Defender\Windows Defender Exploit Guard\Controlled Folder Access" /v "EnableControlledFolderAccess" /t REG_DWORD /d "1" /f[/quote]
     
    TairikuOkami, Oct 20, 2017
    #7
  6. Brink
    Brink New Member

    Change Windows Defender Controlled Folder Access Settings - Windows 10

    [/quote]
    It's the registry key and value you posted now. The only issue is that you have to take ownership of the key before you'll be able to modify the value of the DWORD.

    Thank you for the heads up. *Smile
     
    Brink, Oct 20, 2017
    #8
  7. dalchina New Member
    dalchina, Oct 24, 2017
    #9
  8. Hi Brink.

    Was on this thread. Member reported you needed to reboot to make changes and mentioned that sub processes may be doing the saving. Might be worth checking on reboot comment and adding mention of sub process in a "Tip"

    Controlled folder access problems

    Ken
     
    Caledon Ken, Oct 24, 2017
    #10
  9. Brink
    Brink New Member
    That would be a very good possibility if the 3rd party AV disabled Windows Defender.

    If it has a "This setting is managed by your administrator" message above this setting, then a group policy has been configured for it instead.

    *Arrow Computer configuration > Administrative templates > Windows components > Windows Defender Antivirus > Windows Defender Exploit Guard > Controlled folder access
     
    Brink, Oct 24, 2017
    #11
  10. Brink
    Brink New Member
    I'll do some more testing for that, but you shouldn't need to restart to apply if adding the exclusion via the Windows Defender Security Center UI.

    EDIT:

    I've noticed that if the app is currently running when added as an allowed app, you may need to close and reopen that app to actually apply.
     
    Brink, Oct 24, 2017
    #12
  11. Change Windows Defender Controlled Folder Access Settings - Windows 10

    Thanks Brink. Any tips that will make it easier to use will help.

    Ken
     
    Caledon Ken, Oct 25, 2017
    #13
  12. dalchina New Member
    The user did not report that- but has Bitdefender installed. Merely that the button was greyed out. I haven't asked him to try disabling or uninstalling Bitdefender (his comments suggest that would not be acceptable long term).
    Controlled folder access is greyed out Solved - Windows 10 Forums

    If it is true that having a 3rd party AV results in the button being greyed out with no explanation, this is going to give rise to questions. Would seem worth adding to the tutorial that it's a prerequisite that Defender real time scanning be enabled and not disabled by a 3rd party AV being used- which is a very common scenario.
     
    dalchina, Oct 25, 2017
    #14
  13. Well this sounds like a lawsuit in the making. If you can only use MS's product (Defender Real Time) to get the protection then all AV makers will join lawsuit on the grounds of predatory behaviour... the EU in particular. Should be interesting to watch.
     
    Caledon Ken, Oct 25, 2017
    #15
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Change Windows Defender Controlled Folder Access Settings - Windows 10

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