Sherlock sort of accidentally became the center of a ring of software piracy at his school.

After all, the teachers didn't leave the manuals for the school's computers' programs out and about, and he'd never paid enough attention to the ones at home to realize that you weren't allowed to bring copies of more useful programs in on a disk and then make copies for all your friends-by-default (or copies for your own use of interesting ones that the school had)...