Help and Support for
Microsoft Lumia 550
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I can't use one of my apps on my Microsoft Lumia 550 Windows Phone 10.0
Cause 1 of 1: The app is damaged or hasn't been updated to the latest version
If you can't use one of your apps, the app may be faulty or it needs to be updated to the newest version.
Solution: Uninstall the app and install it again.