Microsoft warns: File Explorer may flash with a blinding color in dark mode

[harlan4096]

Just days after Microsoft admitted that the password button was missing for some users on Windows' sign in screen, it confirmed yet another issue that users on Windows PCs might encounter.

The details: According to Microsoft, users may see a white screen flash before they eyes in File Explorer when the system is set to dark mode.

• The issue affects Windows 11, versions 24H2 and 25H2.
  
• It may occur after installation of KB5070311 on Windows 11 PCs.
  
• There is no solution or workaround at this time, other than turning of dark mode.
  

Microsoft offers several scenarios where users might see the white screen flash when using Explorer. It may occur when creating a new tab, turning the details pane one or off, selecting more details when copying, and when navigating to or from Home or Gallery.

Most users might experience then issue when they open File Explorer, as Home may be set as the default view.

Microsoft released KB5070311 on December 1, 2025 as the preview update for the upcoming cumulative update, which it will release on Tuesday, December 9, 2025. It is the last major update for Windows 11 in the year 2025.

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