1.    11 Apr 2017 #1
    Join Date : Oct 2015
    Melbourne Australia
    Posts : 49
    Windows 10 Home x64

    CU version update: Windows Defender Security Center does not open.


    Updated to CU via Update Assistant. I had to start the process 3 time but in the end all went fine. Got the latest updates installed too.
    Trying to open Windows Defender in Security Center (the only way to open WD it seems) and the blue screen with WD logo appears only for few second, then nothing happen.
    I cannot scan file using WD explorer feature neither.
    System & Security report that WD is on. No issues.

    Anybody care to chip in, that would be much appreciated.
      My ComputerSystem Spec
  2.    11 Apr 2017 #2
    Join Date : May 2015
    Posts : 423
    Redstone_Two

    The old user interface was working here after upgrading, but freezes for about 30 Sec. I'm not using the old Defender app, there is a new one now. We hope that this may help:
    Defender UI Delayed: Not responding build 15063.13 - - Windows 10 Forums
      My ComputerSystem Spec
  3.    11 Apr 2017 #3
    Join Date : Oct 2015
    Melbourne Australia
    Posts : 49
    Windows 10 Home x64
    Thread Starter

    Quote Originally Posted by MikeMecanic View Post
    The old user interface was working here after upgrading, but freezes for about 30 Sec. I'm not using the old Defender app, there is a new one now. We hope that this may help:
    Defender UI Delayed: Not responding build 15063.13 - - Windows 10 Forums
    @Mike
    it is not a case of delayed UI for me, WD just does not open even if I wait till the cows come home.
    Appreciate the help though.
      My ComputerSystem Spec
  4.    11 Apr 2017 #4
    Join Date : Aug 2016
    S/E England
    Posts : 4,514
    10 Home x64 (1709) (10 Pro on 2nd pc)

    Quote Originally Posted by Pulcinella View Post
    it is not a case of delayed UI for me, WD just does not open even if I wait till the cows come home.
    Appreciate the help though.
    The old Defender UI opens for me in the Creators Update, but it does take its time - up to a minute. If you really must use it then this tutorial tells you how...
    Create Windows Defender Antivirus Shortcut in Windows 10

    ...but you really shouldn't need it. Most everything it did is now available through the Defender Security Center, plus a lot more.
    Open Windows Defender Security Center in Windows 10

    Quote Originally Posted by Pulcinella View Post
    Trying to open Windows Defender in Security Center (the only way to open WD it seems) and the blue screen with WD logo appears only for few second, then nothing happen..
    @Pulcinella, there appears to be some confusion here. You don't need or want the old green Defender UI, all its functions are in the Defender Security Center now - quick scan, advanced scan, check for updates, scan history, quarantined items etc.. The quick way to open the Security Center is right-click on the Defender icon in the notification area and select 'Open'.

    If you mean the Security Center itself appears briefly then disappears, then it may need re-registering. Do any other built-in modern apps briefly flash and disappear?

    Reinstall and Re-register Apps in Windows 10
    Last edited by Bree; 11 Apr 2017 at 20:42.
      My ComputersSystem Spec
  5.    11 Apr 2017 #5
    Join Date : Oct 2015
    Melbourne Australia
    Posts : 49
    Windows 10 Home x64
    Thread Starter

    If you mean the Security Center itself appears briefly then disappears, then it may need re-registering. Do any other built-in modern apps briefly flash and disappear?

    Reinstall and Re-register Apps in Windows 10[/QUOTE]

    Correct. Did a refresh already. WD Security Center did work for an hour or so, then the same issue happened.
    I only reinstalled MBAE free, and HMP free, this one app to run a quick scan at start up.
    There maybe a conflict here, just guessing though.
    Changed HMP settings, on demand only now, and stopped MBAE protection.
    NO changes. I'll try to uninstall those to Apps and report.
      My ComputerSystem Spec
  6.    11 Apr 2017 #6
    Join Date : Oct 2015
    Melbourne Australia
    Posts : 49
    Windows 10 Home x64
    Thread Starter

    WD Security Center does work now that I do not have any other Security Apps installed. Finger Crossed...
      My ComputerSystem Spec
  7.    12 Apr 2017 #7
    Join Date : Oct 2015
    Melbourne Australia
    Posts : 49
    Windows 10 Home x64
    Thread Starter

    Ref post #6
    CU Windows Defender and its Security Center does not seems to take third party security apps kindly.
    IMO It should not be so.
      My ComputerSystem Spec
  8.    22 May 2017 #8
    Join Date : May 2017
    Posts : 195
    Windows 10 Pro

    I use Kaspersky and now for some days RansomFree too. The Windows Defender through Settings works fine with them .....but several times the only way to get Windows Defenders Security Center and thus Windows Defender Anti-Virus options (important for ME to get Periodic Scanning, since I will NOT run the computer without Kaspersky on FULLTIME) .... is System Restore, and then maybe only day back, since CU came in more than a week ago.

    YAY, System Restore!
      My ComputerSystem Spec

 


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