Proper design of error messages is an important topic in usability and other fields of human–computer interaction.
Error messages are seen widely throughout computing, and are part of every operating system or computer hardware device. Error messages are used when user intervention is required, to indicate that a desired operation has failed, or to relay important warnings (such as warning a computer user that they are almost out of hard disk space). On modern operating systems with graphical user interfaces, error messages are often displayed using dialog boxes.
An error message when attempting to use the Wikipedia Visual editor.Īn error message is information displayed when an unforeseen problem occurs, usually on a computer or other device.