Windows 10: Register Windows Defender Security Center

  1.    26 Dec 2017 #1

    Register Windows Defender Security Center


    Hello.
    I can not launch Windows Defender Security Center in my current user account (I can launch it in others). Upon trying to launch it from shortcut I get the message "Package could not be registered". I've tried the standard register all apps and an In-place Upgrade with no results.
    Any suggestions?
    Last edited by xd1986k; 26 Dec 2017 at 02:23. Reason: HTML Error
      My ComputerSystem Spec


  2. Posts : 38,043
    Dual boot Windows 10 FCU Pro x 64 & current Insider 10 Pro
       26 Dec 2017 #2

    Hello, @xd1986k. Welcome to Windows TenForums.

    Is this a primary administrative account? I'll assume the others are.

    You may want to try the operations in this tutorial:

    Use DISM to Repair Windows 10 Image Performance Maintenance Tutorials
      My ComputersSystem Spec

  3.    27 Dec 2017 #3

    @HippsieGypsie, sorry for the late reply, the last step of DISM (ISO Download) took me a while. Anyhow I tried all of them with no results.<br>This account is a Microsoft administrative account. The other is a local account called Administrator which was created after the latest major update.
      My ComputerSystem Spec


  4. Posts : 38,043
    Dual boot Windows 10 FCU Pro x 64 & current Insider 10 Pro
       27 Dec 2017 #4

    xd1986k said: View Post
    @HippsieGypsie, sorry for the late reply, the last step of DISM (ISO Download) took me a while. Anyhow I tried all of them with no results.<br>This account is a Microsoft administrative account. The other is a local account called Administrator which was created after the latest major update.
    That's ok. We're all busy with the holidays.

    Can't for the life of me understand why it doesn't register Defender. We know it's installed via the other account.

    Is the Microsoft administrative account the original account or was it created after feature update or install?

    Do you have other antivirus installed?

    I'm quite sure you did, but to be absolutely sure > You did the in-place upgrade within the Microsoft administrative account?

    Is that other account important to you so to delete it and do repairs?
      My ComputersSystem Spec

  5.    27 Dec 2017 #5

    Yes, it is the original account. The other titled "Administrator" was created after Fall's Creator's Update(It is undeletable btw).
    I did have Malwarebytes installed but I uninstalled it when I found out it could conflict with Defender.
    Typically I would not mind deleting the account and copying my Appdata over to another account but my Windows has not been communicating with Microsoft Servers for some reason and so I'm scared I won't be able to sign back in. I changed my Microsoft password 2 days ago and Account login still hasn't reflected that change.
      My ComputerSystem Spec


  6. Posts : 38,043
    Dual boot Windows 10 FCU Pro x 64 & current Insider 10 Pro
       27 Dec 2017 #6

    Ok so you have a lot more going on. Don't mind me, but so much for 3rd party apps.

    The OS is activated, yes?

    Can you log into your MS account online?

    Any other apps you may have installed recently?

    Not understanding why the created admin account cannot be deleted if you created it, unless it's beyond my knowledge.
      My ComputersSystem Spec

  7.    27 Dec 2017 #7

    Malwarebytes was a last resort for a while back, I used to turn my nose up at anti-viruses before a virus up and crippled my PC .
    The OS is activated.
    I can login to MS Account online.
    I've installed a store app or two once I found out about the [start "" "ms-windows-store:"] command (my Store icon up and vanished on me in one of the updates and has not been seen since)
    I'm sorry for not being clearer. The local account termed "Administrator" was created by windows after the Falls Creator's Update.
      My ComputerSystem Spec


  8. Posts : 38,043
    Dual boot Windows 10 FCU Pro x 64 & current Insider 10 Pro
       27 Dec 2017 #8

    Personal choice, but I've been using Defender since inception back in W7. Never any problems.

    Why in the hey would it create a local admin account updating to FCU?! That's plain bizarre.

    There certainly is conflict going on with that fact. Seems like it's treating the first account as 2nd class now.

    Not sure if it's possible to move the appdata from the MS account over to the local one, delete the MS account, then make the local account an MS one. Probably not, but worth the thought.

    Personally I'd back everything up, wipe the drive, and clean install.
      My ComputersSystem Spec

  9.    03 Jan 2018 #9

    Well, I deleted my old account and made another one. I learned that you don't simply copy the appdata over(Microsoft appdata will corrupt modern apps) but other than that little hiccup, transition was smooth. Defender is working now. As I feared, I can't login to Microsoft anymore. I delayed replying for a few days in the hopes that some solution online would fix it but it didn't work out. Eh the grapes are sour anyways . Anyhow thanks a lot for your help.
    -EDIT-
    Oh and that admin account is apparently an inbuilt one that all Win 10 installations have.
      My ComputerSystem Spec


  10. Posts : 38,043
    Dual boot Windows 10 FCU Pro x 64 & current Insider 10 Pro
       03 Jan 2018 #10

    You're welcome. Sorry we couldn't get it fully fixed if you can't sign in. I didn't think moving appdata would work. And, yes, there's a hidden Admin account in 10 as in past OSs.

    What are you going to do from here?
      My ComputersSystem Spec


 

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