Microsoft has confirmed that it's still working to fully address a known issue that causes bright white flashes when opening the File Explorer on some Windows 11 systems.
The changes are small, but they bring File Explorer closer in line with the rest of the operating system's aesthetic.
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Microsoft’s Windows 11 Insider Preview Build 26220.7961 for 25H2 fixes File Explorer flashes, adds voice typing for renaming, and restores Administrator Protection.
Windows 11 KB5079387 preview adds File Explorer improvements, display updates, and reliability fixes in builds 26100.8106 and 26200.8106.
March 2026 Patch Tuesday KB5079473 for Windows 11 improves security, File Explorer, Secure Boot, and system reliability across devices.
The March optional update for Windows 11 versions 25H2 and 24H2 is now available for Insiders on the Release Preview Channel.