Intermittently, when using Windows Content Locker, the repository and user content views will not be visible. If this occurs on a particular device, simply re-launching the application will not make them visible again.
If this occurs, first clear the files in the Appdata -> Content Locker folder. After this, re-launching the application will resolve the issue.
This issue has been given the identifier CMCM-183036. This issue has been resolved in Windows Desktop Content Locker 22.214.171.124.