A glitch is a short-lived fault in a system, such as a transient fault that corrects itself, making it difficult to troubleshoot.
Glitch in the matrix stories are puzzling occurrence that has no logical explanation. The name comes from the movie ‘The Matrix’ where a ‘glitch’ drew someone’s attention to the fact that they were in a simulation. It is the repeat occurrence of an event which already taken place moments ago. It happens when the code of the Matrix is altered.
There are some images that shows the Glitch in the Matrix situation.