Invalid Selection Icon - Visual Indicator for Error or Disallowed Choice #234692 (License: Personal Use)

The image displays a 2×2 grid of colored squares-yellow (top-left), blue (top-right), and two green squares (bottom row)-each outlined in contrasting borders. A bold red X diagonally crosses the top two squares, visually communicating prohibition, error, or deselection. The entire composition is framed by a thick green border, enhancing contrast and focus.

This image is commonly used in user interfaces to indicate invalid selections, disabled options, or form errors-e.g., in survey tools, configuration panels, or accessibility widgets where certain choices are restricted. It matches user intent to quickly recognize prohibited actions or feedback on incorrect input.