Starting with Android Marshmallow, there’s a curious error that sometimes shows its face, but can be hard to decipher what’s causing it. The “screen overlay detected” error won’t allow certain apps to launch, which makes it a real nuisance.

The reason

 This message appears when you’re running a floating app, and then start a newly installed one, which requests access rights. Floating apps include the chat heads of Facebook Messenger that can appear floating above other apps.

Affected Smartphones: Users across the internet have reported experiencing this problem on Samsung and Motorola smartphones. It seems likely to affect many manufacturers.

The technical background: As a security measure, apps ask for permission to use certain parts of your phone (internal storage, camera, etc.). In theory, a display overlay can interfere with the dialogue requesting permission, so you need to disable the feature to interact with the dialogue.

Solution

Just Uninstall the following apps Drupe, but CleanMaster, Lux and Twilight

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