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  1.    15 Oct 2015 #11
    Join Date : Sep 2015
    Posts : 20
    Windows 10 Home (and 7)

    If you select (highlight) the 'PushNotifications' key that you have previously found, 'AppDB' should be an Binary Value entry on the right side of the screen. If so, this is what you need to delete. If not, then I'm sorry I don't have any other solution for you. (It might be easier to find if you do a registry search.) Again, I strongly suggest you either do a registry backup or create a System Restore Point before modifying the registry.

    System Restore Point - Create in Windows 10 - Windows 10 Forums
      My ComputerSystem Spec
  2.    15 Oct 2015 #12
    Join Date : Oct 2013
    Posts : 25,726
    64-bit Windows 10 Pro build 17046

    Quote Originally Posted by Nubble View Post
    I had the same problem and tried this as a solution. It had no affect on "Show notifications from these apps" . Found a different solution on the MS forum. If you are willing to reinitialize ALL app notifications (as it deletes ALL entries) and you're willing to allow notifications to be recreated and repopulate as needed over time you can try the following - it worked for me. Suggest a registry backup first.

    Delete Registry Entry

    HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\PushNotifications\AppDB

    (AppDB is a Binary Value associated with the PushNotifications key.)
    Just note that doing that will also break live tiles pinned to Start.
      My ComputersSystem Spec
  3.    15 Oct 2015 #13
    Join Date : Oct 2015
    Posts : 6
    windows 10
    Thread Starter

    Thanks everybody for help.
      My ComputerSystem Spec
  4.    17 Oct 2015 #14
    Join Date : Aug 2015
    Posts : 5
    Windows 10

    Brink, you had a tutorial in the works for this, but it seems to have disappeared.

    in Windows 10 Eight Forums

    I'm in the same boat as the original poster. Some icons are black, some are missing (like outlook 2016).
      My ComputerSystem Spec
  5.    18 Oct 2015 #15
    Join Date : Oct 2013
    Posts : 25,726
    64-bit Windows 10 Pro build 17046

    Quote Originally Posted by NaySayer View Post
    Brink, you had a tutorial in the works for this, but it seems to have disappeared.

    in Windows 10 Eight Forums

    I'm in the same boat as the original poster. Some icons are black, some are missing (like outlook 2016).
    Hello NaySayer,

    Correct. It works for what the OP wants and is the same as what Nubble posted, but was removed since it will also break live tiles on Start.
      My ComputersSystem Spec
  6.    06 Dec 2015 #16
    Join Date : Jul 2015
    Posts : 10
    Windows 10 Pro Insider Preview

    Resettig the Windows 10 Notifuications and actions Settings


    Quote Originally Posted by les View Post
    So,where can i found AppDB?
    Here is a screen shot for you

    Click image for larger version. 

Name:	AppDB in Registry.jpg 
Views:	6 
Size:	152.5 KB 
ID:	52186
    Last edited by Brink; 06 Dec 2015 at 09:42. Reason: fixed image
      My ComputerSystem Spec
  7.    06 Dec 2015 #17
    Join Date : Oct 2013
    Posts : 25,726
    64-bit Windows 10 Pro build 17046

    Quote Originally Posted by groucho View Post
    Here is a screen shot for you
    Just note that doing that will also break live tiles pinned to Start.
      My ComputersSystem Spec
  8.    06 Dec 2015 #18
    Join Date : Jul 2015
    Posts : 10
    Windows 10 Pro Insider Preview

    Not on my system
      My ComputerSystem Spec
  9.    06 Dec 2015 #19
    Join Date : Oct 2013
    Posts : 25,726
    64-bit Windows 10 Pro build 17046

    It will the next time you sign out/in, restart explorer, or restart the computer after deleting the AppDB binary.
      My ComputersSystem Spec
  10.    30 Dec 2015 #20
    Join Date : Aug 2015
    Posts : 5
    Windows 10

    Has any one come up with a solution to this, some of my app notification icons are blank (Action Center Settings), I tried deleting AppDB but even after a restart it didn't appear to fix anything. Judging by some of the responses on this site there has been some confusion as what we are referring to as notification icons, we are not talking about the notification icons in the notification area of the taskbar!Click image for larger version. 

Name:	Notification Icons.PNG 
Views:	11 
Size:	28.4 KB 
ID:	56092
      My ComputerSystem Spec

 
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