Computer glitch
A computer glitch was a glitch which involved a computer.

In 2366, Lieutenant Worf noted that sensors aboard the  indicated that a Borg vessel fired energy weapons at them, but it was soon discovered that no such vessel was there. In response to Captain Jean-Luc Picard questioning whether it was another computer glitch, Lieutenant Commander Data postulated that Worf had seen a synthetically generated image. ()

See also 
 Bug (defect)

External link 
 

Computer technology