If you want more information, please either describe it in detail, or take a screenshot (printscreen in windows, then open any image editor (even MS paint), paste, save as whatever.png, upload to imgur.com or similar).
Without knowing what the exact message is, and where it shows up, it's difficult to say why it's happening.
“The egg hatched...” “...the egg hatched... and a hundred baby spiders came out...”
“Who are you?” “A friend. I'm here to prevent you from making a mistake.” “You have no idea what I'm doing here, friend.” “In specific terms, no, but I swore an oath to protect the world...”
“It's a goal you won't understand until later. Your job is to make sure he doesn't achieve the goal.”