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  1.    4 Weeks Ago #1
    Join Date : Mar 2016
    Posts : 156
    win 10 HOME

    windows defender security center dosn't start correctly


    when i try to open the security center i get the window but then it takes a couple seconds and then just closes reliability center says there is a problem as well, i ran SFC and DISM and they both say nothing is wrong i also attempted a restore but that froze so i powered down and now i'm looking here for some help.

    Many Thanks
      My ComputerSystem Spec
  2.    4 Weeks Ago #2
    Join Date : Mar 2016
    Posts : 156
    win 10 HOME
    Thread Starter

    Sorry for this my Bust i looked in the all apps list and opened it from there but still it dosn't open from the updates area where it's listed as well?

    not sure if there is a real issue now

    DME

    if someone knows why it dosn't open from the check for updates screen please let me know

    Many Thanks
      My ComputerSystem Spec
  3.    3 Weeks Ago #3
    Join Date : Oct 2014
    Posts : 361
    Win 10 Home Build 1709 16299.19 64bit

    i also attempted a restore but that froze

    Run SFC Command in Windows 10

    If System Restore does not work, run SFC/Scannow for corrupt files. You may need to restore at a later date.
      My ComputerSystem Spec
  4.    3 Weeks Ago #4
    Join Date : Oct 2014
    Trnava
    Posts : 2,863
    Windows 10.4 Home 1709 x64

    Do you have any security software installed?

    Quote Originally Posted by dmesal View Post
    reliability center says there is a problem as well
    Does it report any error code number?
      My ComputerSystem Spec
  5.    3 Weeks Ago #5
    Join Date : Mar 2016
    Posts : 156
    win 10 HOME
    Thread Starter

    this is what reliability reports for the error

    DescriptionFaulting Application Path: C:\Windows\SystemApps\Microsoft.Windows.SecHealthUI_cw5n1h2txyewy\SecHealthUI.exeProblem signatureProblem Event Name: MoAppCrashPackage Full Name: Microsoft.Windows.SecHealthUI_10.0.16299.15_neutral__cw5n1h2txyewyApplication Name: praid:SecHealthUIApplication Version: 10.0.16299.15Application Timestamp: 59cda931Fault Module Name: combase.dllFault Module Version: 10.0.16299.15Fault Module Timestamp: 3db461b4Exception Code: 802b000aException Offset: 00000000000a50e6OS Version: 10.0.16299.2.0.0.768.101Locale ID: 1033Additional Information 1: 297aAdditional Information 2: 297aa6212209f4190b0891ddb087ca2bAdditional Information 3: 90e9Additional Information 4: 90e90623fb032c0163da83d233e1320cExtra information about the problemBucket ID: bdb6e9ebb29ed74bfbd84eac480411c9 (133557818409)

    hope this helps
      My ComputerSystem Spec
  6.    3 Weeks Ago #6
    Join Date : Aug 2016
    S/E England
    Posts : 4,501
    10 Home x64 (1709) (10 Pro on 2nd pc)

    Are you using a High Contrast mode?

    A rather surprising fix for a similar problem here...

    ... Was fine before the Fall Creator's Update. sfc found no problem.
    Faulting application name: SecHealthUI.exe...

    ...High-contrast mode causes Windows Defenders to not work. Switch to a HC mode. Bring up Settings. Update & Security..., Windows Defender, then press the Open Windows Defender Security Center button. An empty window frame appears for a few seconds, then goes away...
    https://answers.microsoft.com/en-us/...f71841e?auth=1

    I've tried it and High Contrast #1 and #2 seem to cause Defender problems, the others seem to be OK.
      My ComputersSystem Spec
  7.    3 Weeks Ago #7
    Join Date : Mar 2016
    Posts : 156
    win 10 HOME
    Thread Starter

    Good Day Bree

    yes i have high contrast on, so i have to loose my visual settings for Defender to work properly?
    i still have to read what you referenced.

    many thanks i'll check it out now

    DME
      My ComputerSystem Spec
  8.    3 Weeks Ago #8
    Join Date : Aug 2016
    S/E England
    Posts : 4,501
    10 Home x64 (1709) (10 Pro on 2nd pc)

    Quote Originally Posted by dmesal View Post
    yes i have high contrast on, so i have to loose my visual settings for Defender to work properly?
    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.
      My ComputersSystem Spec
  9.    3 Weeks Ago #9
    Join Date : Mar 2016
    Posts : 156
    win 10 HOME
    Thread Starter

    so i have to loose HC 1 & 2 but still use HC with no frills ?

    DME
      My ComputerSystem Spec
  10.    3 Weeks Ago #10
    Join Date : Mar 2016
    Posts : 156
    win 10 HOME
    Thread Starter

    Good Day All

    i just adjusted my HC settings and the security center came up properly. so the next question is once i get security center (defender) set up the way i like, can i revert back to my normal setting and defender will still do it's job?

    i guess trial and error time (beta testing)

    DME
      My ComputerSystem Spec

 
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