Win8.1 comes with a solution that the Metro app can't use

The Metro app for Windows 8.1 has a distinctive feature that is refreshing. However, sometimes the Metro application that comes with the system cannot be used, and the changed computer settings that slide out on the right side cannot be used. What should I do?
The specific symptoms are: trying to run the Metro app, whether it is email, weather or other applications, will prompt you can not open the application, please contact your system administrator to find out about repairing or installing the app. Information; the app store and changing computer settings show a problem with XXXX.
This problem may be related to other optimizations such as system optimization or cleanup using optimized software, or other settings such as changing the system file path.
It is recommended to try the following:
In the case of networking, press Windows+X+A, at the command prompt, type:
DISM.exe /Online /Cleanup-image /Scanhealth, press Enter ,
DISM.exe /Online /Cleanup-image /Restorehealth, press Enter.
Please restart your computer after you finish. Use sfc/scannow to fix it again.
The above is the solution that Win8.1 system comes with the metro application can not be used. Although Metro's own Metro application is mixed, there are still many people who like it. So, when your Metro app is not available on your Win8.1 system, try the above method to fix it.