Windows 10: Having problem with Windows Defender Security Center Solved

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  1. Bree's Avatar
    Posts : 8,832
    10 Home x64 (1809) (10 Pro on 2nd pc)
       14 Dec 2017 #11

    Jhawk55 said: View Post
    Hi guys, interesting find regarding the problem I encountered with WDSC on Microsoft forum.
    Having problem with Windows Defender Security Center - Microsoft Community
    Ah @Jhawk55, so it's the High Contrast bug! Yes, I investigated that one back on 24th Oct. The bug then prevented Defender Security Centre from opening at all.

    Bree said: View Post
    I found on testing that the High Contrast Black and High Contrast White themes worked, #1 and #2 didn't. As this appear to be a bug, it may get fixed in a cumulative update and you could switch back to your preferred theme.
    windows defender security center dosn't start correctly

    Since then we've had several cumulative updates and an update to the Defender Anitimalware Client. This has at least let Defender now open, with the side-effect that my testing now shows that the only high contrast theme that it works fully with is 'High Contrast White'. It's an improvement (of sorts) I suppose

    Until they fix this properly, the only workaround is to switch to 'High Contrast White' or 'None' to use the affected parts of Defender, then switch back to your preferred theme once you are done.
      My ComputersSystem Spec

  2.    14 Dec 2017 #12

    @caledon, I have not tested yet since I am at work, will test out when I get back home.

    @Bree, thanks for sharing with us your findings.
      My ComputerSystem Spec

  3.    15 Dec 2017 #13

    Updates, I confirmed that WDSC works fine in High Contrast Black mode. I also found that any color I changed to the High Contrast Black will breaks the WDSC again, unbelievable... Looks like I am stuck with using the default High Contrast Black mode for time being. Bye...
      My ComputerSystem Spec

  4.    01 May 2018 #14

    Updates: Just upgraded my Windows 10 Pro using the "Upgrade Assistant" to version 1803 (Build 17134.1). Found that they have finally solved this issue between using "High contrast theme" and "Windows security center".
      My ComputerSystem Spec

  5. Caledon Ken's Avatar
    Posts : 10,625
    Windows 10 Pro x64 Build 1803
       01 May 2018 #15

    Excellent news. Thanks for marking thread solved. Others will find.
      My ComputerSystem Spec

  6.    04 May 2018 #16

    Wow i'm waiting with bated breath to get the update for (home 64) in Guam still.

      My ComputerSystem Spec

  7. Caledon Ken's Avatar
    Posts : 10,625
    Windows 10 Pro x64 Build 1803
       04 May 2018 #17

    You can always force the issue. Down load the MCT, create a USB, navigate to USB and double click setup.

    Some people are having issues with 1803 and it is expected some sort of CU will be released May 8th so you may wish to wait.
      My ComputerSystem Spec

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