Occasionally you will get an error that says an app is from an untrusted source. This happens most often if you install from their website instead of the appstore. This can be fixed, but PLEASE make sure you really do 'trust' the developer of the app first.
This example is created for "Hillburn Style Guide"
- Click "General"
- Click "Device Management" (or "Profile" if a non-managed ipad)
- Click on the name of the company that created the apps
- Click Trust this