Microsoft is rolling out preview builds to Beta and Dev Windows Insider channels to fix a bug that causes bright white flashes when opening File Explorer on some Windows 11 systems. The fixes (including KB5079382 and KB5079385) follow the earlier KB5070311-linked report and add features like voice typing while Microsoft continues to provide PowerShell workarounds for crashes affecting Explorer.exe and StartMenuExperienceHost. #Windows11 #FileExplorer
Keypoints
- Microsoft confirmed a white-flash bug in File Explorer tied to the optional update KB5070311.
- Preview builds KB5079382 and KB5079385 are rolling out to Beta and Dev insiders with the fix.
- New preview builds add voice typing support when renaming files and improve unblock reliability for downloads.
- Microsoft began testing background preloading of File Explorer to speed launch times.
- A separate critical crash affecting Explorer.exe, StartMenuExperienceHost, and ShellHost.exe is being mitigated with PowerShell workarounds and admin logon scripts while a permanent fix is developed.