Microsoft pulls Windows 11 KB5079391 preview after it causes install error loop on 25H2 and 24H2

Microsoft has pulled the Windows 11 KB5079391 preview update due to installation errors causing an error loop on 25H2 and 24H2 PCs. The company is investigating the root cause and the update may not roll out again until the issue is resolved. Users encountering error 0x80073712 during installation are affected by missing assembly files required by the update. Microsoft aims to make Windows updates less frustrating in 2026 with improvements like a faster Start menu and File Explorer, a movable taskbar, and enhanced update controls allowing users to pause updates for longer periods.