- (humorous) Acronym of problem in chair, not in computer (or person in chair, not in computer); states that the problem was not in the computer but was instead caused by the user operating it.
- Claire Heald, Let's help to herd the dinosaurs , version of 7 November 2006
- Inspiration also comes from the workers who take care of the workers. Ever reported a picnic error to the IT helpdesk? No? Well they're logging them. It stands for a problem in chair, not in computer error among hapless colleagues.
- Most commonly used among experts diagnosing a problem.