Isabel and Jared work for the same company but in different departments. Their workstations are both part of the company's computer network. Over lunch, Isabel was discussing an application that she was having a problem with. Jared was familiar with the software even though he didn't use it on the job. Jared offered to help Isabel and they went to his desk to open the program. Jared couldn't open it. The reason Jared couldn't open the program was probably because_____.