Win10 comes with application flashback how to do

Flashback is one of the problems that often occurs in the Win10 App Store and Modern App. The cause of this problem is multifaceted. Before the IT House shared some solutions, the Microsoft Windows Q&A community shared the new Solution, IT House is organized as follows, for friends who have problems to refer to.
The flashback of the Windows 10 app store may be caused by the failure of the Windows License Manager Service (hereinafter referred to as WLMS) service to be started. The description of the WLMS service in the system is: “ Provides infrastructure support for the Windows Store. This service is launched on demand, and if you disable this service, content obtained through the Windows Store will not function properly. ”
Enable WLMS service method:
Search for "Services" in Cortana, press "Enter" to open the service window;

Find the Windows License Manager Service, if the service is not started , right click and select “Start” As shown below:

In order to ensure that the service can be started automatically, you can change its startup type to "Automatic" in the properties, as shown below: