In an unexpected move, Microsoft will issue another public update for Windows 7. The update, which comes almost two weeks after Microsoft officially ended support for the OS, will fix a bug affecting desktop wallpapers. The bug was introduced with the last official security patch released on January 14.
https://www.notebookcheck.net/Microsoft-to-release-update-for-Windows-7-despite-ending-support-earlier-this-month.451750.0.html