Microsoft Confirms Windows 11 24H2/25H2 Bug Blocks Access to the System Drive C

Microsoft has officially acknowledged a critical bug affecting Windows 11 users on certain Samsung devices, in which the system drive (C:) becomes completely inaccessible after installing the February 2026 security update. The company is now actively investigating the issue in coordination with Samsung. After installing the February 2026 Patch Tuesday update (KB5077181, OS Build 26100.7840), […]

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