Prologue — The File That Arrived A small, weathered laptop sat open on a kitchen table as rain mapped slow rivulets on the window. The owner—an inconspicuous freelance designer—noticed a file: hp sp65563.exe. It arrived without drama: embedded in a routine system update, bundled with a printer utility, a download from an old support page. Its name was functional, squat—letters and numbers that meant nothing to anyone outside maintenance scripts—but it carried a human story.
