Always called "systems", software really bears a lot of resemblance to living organisms. No wonder, therefore, several terms are common with those of medicine, such asviruses, infections, False-Positive, etc.
Dysfunctionis another such example. It indicates the occurrence of an anomaly, a disorder, something that deviates from normal in the execution of a task. occupation. It is not necessarily a software error, although the message opened with one of these incidents may bring this word as an alert and, therefore, lead to this understanding. Malfunctions occur for countless reasons, such as wrong configurations by the user, typing errors, distractions and, of course, also bugs.