Board Thread:Off Topic/@comment-25170312-20151008230904/@comment-25428589-20151009061729

(Assuming you're talking about the big yellow alert at the top of the page) It's not spam, it's a glitch that happens from time to time. If you ignore it long enough, it should go away. If not, hide it with CSS, or simply follow the steps it suggests - they won't negatively effect you in any way, other than wasting a couple of minutes.