0x80073712 and 0x800F081F: component store corruption blocking updates
0x80073712 and 0x800F081F mean WinSxS is missing or damaged files. Repair the component store with DISM and a matching source, then reinstall the update.
DISM RestoreHealth fails with 0x800F081F or 0x80073712 during recovery
0x800F081F and 0x80073712 mean the component store is damaged or the repair source is missing. Point DISM at a matching ISO to rebuild WinSxS.
0x800F0906 and 0x800F081F: .NET Framework 3.5 Will Not Enable on Windows
0x800F0906 means Windows cannot fetch the .NET 3.5 payload. Supply a matching install source with DISM and bypass the WSUS policy that blocks feature files.