function showLaunchFailure(title, desc){
    setOverlayContent(
        title,
        desc,
        Lang.queryJS('landing.launch.okay')
    )
    setOverlayHandler(null)
    toggleOverlay(true)
    toggleLaunchArea(false)
}
Shows an error overlay, toggles off the launch area.

@param {string} title The overlay title.
@param {string} desc The overlay description.