Errors, noise, accidents, interruptions, saturation, chaos, disorder are often related to the results of questioning, just as they are difficult words that we quickly identify as pejorative, which we do not understand or expect, what we despise. Many artists refer to the world as human excretion, virus, vomit, sterile, within the limits of institutional and governmental power. This article aims to approach some artistic practices that have, under a perspective of questioning the status quo of the system, dealt with the multiform of what we have often called error.