Após a saída de sfc
, mudei para ler c:\Windows\Logs\CBS\CBS.log
. No momento do fracasso, vi as seguintes linhas:
Failed to find package: Package_78_for_KB2966828~31bf3856ad364e35~amd64~~6.3.1.4 from the index with mapping index packages recently rebuilt, [HRESULT = 0x800f090d - CBS_E_MISSING_PACKAGE_MAPPING_INDEX]
Failed to get WU category/updateID for package: Package_78_for_KB2966828~31bf3856ad364e35~amd64~~6.3.1.4 [HRESULT = 0x800f090d - CBS_E_MISSING_PACKAGE_MAPPING_INDEX]
Failed to get the category and update ID for package: Package_78_for_KB2966828~31bf3856ad364e35~amd64~~6.3.1.4, component: amd64_microsoft-windows-wpfcorecomp.resources_31bf3856ad364e35_6.3.9600.20708_en-us_a3b67b207d2057ab, file: PresentationHostDLL.dll.mui [HRESULT = 0x800f090d - CBS_E_MISSING_PACKAGE_MAPPING_INDEX]
Exec: Missing files are found during staging attempt but failed to download content from WU. [HRESULT = 0x800f090d - CBS_E_MISSING_PACKAGE_MAPPING_INDEX]
Em um palpite, desinstalei o KB2966828
mencionado no log, e voilà - instalação funciona! Espero que o Windows Update o instale novamente se for realmente importante ...