finger trouble n. a problem caused by a typographical error, incorrect settings on a machine, or poor manual dexterity. Etymological Note: This term appears to originate in aviation. (source: Double-Tongued Dictionary)
Further reading
Books were rare treasures in the Middle Ages, painstakingly copied out by hand. So how to protect them from theft? Scribes sometimes added a curse to the first page of those books that was supposed to keep thieves away — and some were as vicious as...
So you’ve long dreamed of writing fiction, but don’t know where to begin? There are lots of ways to get started — creative writing classes, local writing groups, and books with prompts to get you going. The key is to get started, and...
With PC’s, such errors are politely called “chair keyboard interface errors”, or, less politely, “Id10t” errors.”
In tech support parlance: “User Error, Replace user and try again.”