So, if there's a problem with this app, it may fail to open any JPG files. To fix this, open the Microsoft Store and search for the Photos app.

To fix the You’ll need a new app to open this MS-WPC error, you need to set a default app. To do this, open the Windows Settings and navigate to Apps > Default apps > Choose default apps by file ...

This can affect the operation and performance of the app and cause it to run slowly or not at all. How to fix Xbox App won’t open in Windows 10?

Running the app through the Command Prompt can bypass the "This App has been Blocked by your System Administrator" message. However, you need administrator privileges to execute the command.