Complete Guide to Fix Windows 8.1 Apps Not Loading by Modern UI

This issue can occur on any Windows 10, Windows 8 and Windows 8.1 system/laptop, but for Windows 8 users this issue is common. The main cause of this issue is, when the Modern UI gets failed to load apps. Generally it appears as an x on the screen when the application is executed or the app right away crashes after displaying the splash screen. Issues related to the advanced UI are the most common issues in Windows 8.1.


How to fix Windows UI Error

Try to Re-install the Application 

Step 1:Right-click on the app and click Uninstall to remove it.
Step 2:After it, go to the Microsoft AppStore and install the application. 
Setting App Permissions
Sometimes file system permissions can affect Windows 8 Store Apps. So in order to make sure that apps are given these permissions apply the below given steps.
Right-click a folder or file -> Properties -> Security Tab > Advanced
Here you will see that All Application Packages principle is added for apps by Windows 8.1
To execute Metro apps you must follow the below given step:
Step 1: Read and execute Access, it must have been given to some folders for apps to work correctly:
C:Program Files (x86)
C:Program Files
These Registry Locationsshould be readable:

The Windows 8.1 Firewall

It is recommended to set the Windows firewall on or set to automatic. 

Clean the Registry Database

Sometime due to affected or dirty registry database this issue may appear, so it is recommended to use a professional registry repair tool and clean your system’s registry database. This tool is able to clean all types of junk registry keys with ease. 

To know more: Top 5 Ways to Repair Modern UI apps in Windows 8, 8.1 and 10