UPDATED August 3, 2026, 2:56 PM PST: Resolution efforts for this issue were completed during the weekend of August 1, 2026, and search functionality in the Microsoft Update Catalog was returned to normal. July 31, 2026, 6:42 PM PST: We are working to restore search functionality in the Microsoft Update Catalog following an issue affecting Catalog search operations. Users might be unable to successfully search for software updates, drivers, and hotfixes. Users might also experience search failure...
Applies to: Windows
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).