Windows Shutdown from the App's Point of View — Surviving Exit Notifications, Restarts, and Power Loss Correctly (archived 2026-09-08)

Abstract

Data corrupted by a nightly Windows Update restart is preventable by design: WM_QUERYENDSESSION/PRESHUTDOWN notifications, cleanup in seconds, and power-loss-safe saves. Archived version of https://comcomponent.com/en/blog/windows-shutdown-handling-for-apps/, as published on 2026-09-08. The live article is maintained and may change after this date. First published 2026-08-21.