By Simon Batt
Publication Date: 2026-04-10 02:15:00
Summary
- Windows’ Secure Lock clock can lag up to 30 seconds behind real time; Microsoft says it’s intentional.
- It only affects the Secure Lock screen; system time, logs, and authentication stay accurate.
- Behavior is by design: Secure Lock polls every 30s under SYSTEM, so updates may miss minute boundaries.
Windows can be a weird beast. Sometimes it’ll have a bug that stops people from using Windows in the strangest ways, and sometimes it’ll have bugs that feel more like features. However, sometimes people will report a bug in Windows, only for Microsoft to look at it and say, “Oh, no, that’s how that’s meant to work. No bugs here.”
Such is…



