According to the reports of the user, the PC displays a warning message. According to the displayed message, the PC is infected by a virus. The technician's USB drive is equipped contains malware detection and removal program.
<u>Explanation:</u>
Before inserting the USB drive and running the program, the technician should examine the displayed message and try to determine the source of the message.
Before putting the malware detection and removal program to work, the technician should make sure that there are no other factors and sources causing problems in the PC. Asking the user about any past similar encounters will be a plus.
Based on the information provided within the question it can be said that the bias being mentioned is Undercoverage bias. This refers to when a population of a sample are not being represented correctly, which in this scenario is because these people cannot be contacted. Therefore the correct bias that results from this is Undercoverage bias.
