Keep getting a brown box with words "Check Note" flash in middle of screen

This happens at random times on Note 4. Too fast to screen cap it. Seen it on home screen and while using most apps.

Show Accepted Answer

Guest Quick Reply (No URL, BBcode or HTML)

Last post by darrell.orn
1 hour ago
Last post by angeline75
3 hours ago
Last post by serena31
4 hours ago
Last post by owilderman
3 hours ago
Last post by madisyn.lockman
2 hours ago
Last post by gibson.ramon
51 minutes ago
Last post by andreanne88
2 hours ago
Sound output
Started by hturcotte
Last post by raheem41
1 hour ago