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Why Your Windows Lock Screen Clock is Wrong: Microsoft Explains the 30-Second Lag

ID: d0f58fb2-639a-5743-ad1b-59333b6dc267

STIX ID: report--d0f58fb2-639a-5743-ad1b-59333b6dc267

Feed Name: securityonline.info

Date Published: 2026-04-13

Date Updated: 2026-04-23

Author: Ddos

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Microsoft explains that the Secure Lock Screen (WinLogon UI) on Windows 10/11 refreshes its displayed clock every 30 seconds, which can make the on-screen minute lag by up to half a minute; this is a cosmetic display issue only and does not affect the underlying system clock, NTP, or audit logs.

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