Flat 2D vector graphic, minimalist digital UI design, centered composition, a bold red "prohibited" or "no entry" symbol consisting of a thick red outer circle and a diagonal red slash from top-left to bottom-right, subtle white specular highlights on the upper curve of the red circle to create a slight 3D glossy plastic effect, solid charcoal grey background, high-contrast typography, the word "BLOCKED" in large white sans-serif uppercase bold typeface centered horizontally, below it a smaller white sans-serif font stating "POTENTIAL TERMS OF SERVICE VIOLATION", clean sharp edges, symmetrical layout, corporate error message aesthetic, matte finish on background, vivid crimson red versus stark white and deep slate grey, centered framing, psychological tone of restriction and warning, inspired by modern software interface design and accessibility iconography, precise geometric proportions, uniform stroke weight, digital render.