A digital billboard in Derby was spotted displaying a Windows backup prompt instead of advertising content for an entire day. The sign appeared to have frozen on Microsoft's notification screen urging users to log in with a Microsoft account to enable cloud backups—a common occurrence when Windows restarts after system updates. The issue highlights the absurdity of Microsoft's aggressive backup reminders appearing on public-facing hardware not designed for user interaction.

The billboard presented a practical problem: with no keyboard or mouse accessible to passersby, there was no way for anyone to proceed through the startup sequence or dismiss the prompt. The responsible technician at the advertising company's headquarters had not yet issued a remote command to resolve the malfunction, leaving the sign stuck in an unusable state.

The incident underscores Windows' notorious behavior of pestering users into adopting Microsoft's preferred solutions, regardless of context. While cloud backups through Microsoft accounts may suit office computers, they are hardly appropriate for automated digital signage systems. The Register's take: a more fitting backup solution for outdoor advertising would involve traditional methods—poster paper, glue, and a person with a brush on a ladder—requiring no technology whatsoever.