A critical Windows 11 bug has locked some users out of the C: drive

We've got another significant Windows 11 bug to report, which seems to be mostly impacting Samsung laptops.

New Windows 11 bug breaks Samsung PCs, blocking access to C: drive

Windows 11 updates have been causing all kinds of blood-pressure-raising issues over the last several months. That trend ...
Windows Report

Microsoft Confirms Windows 11 Bug That Locks Users Out of the C: Drive

Microsoft has confirmed a Windows 11 bug that can block access to the system drive after installing the February 2026 Patch Tuesday update KB5077181. The issue appears mainly on Samsung laptops and ...
Tbreak

Samsung laptops hit by Windows 11 C:\ drive access error after February updates

Windows 11 February updates are breaking Samsung Galaxy Book 4 laptops, blocking access to the C:/ drive and preventing apps from launching. Microsoft warns against risky workarounds while ...
Forbes

Microsoft Issues ‘Critical Update’ For All Windows 11 Users

While the Windows world focuses on failed updates and a new automated upgrade that has just gone live for all users, Microsoft has also just issued a new Windows 11 update it describes as “critical.” ...

Windows 11 KB5079473 & KB5078883 cumulative updates released

Microsoft has released Windows 11 KB5079473 and KB5078883 cumulative updates for versions 25H2/24H2 and 23H2 to fix security ...