Screen Overlay detected problem solved:
Follow this simple guide:
>Settings
>Apps
>Option(Three Dots)
>Click on “Draw Over Other Apps” OR “App Can Appear on Top” whichever option available in your device…
>Now list of apps whose screen overlay is enabled will appear…
>Disable /Turn Off For All App…
Then Your Problem Must Be Solved…
This is my first post on android central and I want to make my authority on Android Central..
So please review my answer....