Fix KB5074109 Install Error (0x800f0991)
Fix Windows 11 January 2026 security update KB5074109 installation errors 0x800f0991, 0x80073712, and 0x800f0989 with DISM repair, component reset, and repair install methods.
Tag
Fix Windows 11 January 2026 security update KB5074109 installation errors 0x800f0991, 0x80073712, and 0x800f0989 with DISM repair, component reset, and repair install methods.