On the Privacy window, scroll down the menu on the left until you reach Background apps and click on it.Once in Settings, find and click on Privacy.Open Windows Search by clicking on it or by pressing Win + S, begin typing “ Settings” and then click on the entry named as such when it comes up.One way to fix this is by changing settings for background apps: Re-registering Action Center with PowerShell.If these notifications aren’t displaying properly or at all, you’ll find several fixes you can try in this guide to get them working again. In Windows 10 notifications from apps, messages from Windows itself and also from other sources are all displayed through the Action Center on the bottom right of the taskbar.