2019-02-06 18:28:47, Info CBS Calling client to resolve source, cannot find file 'MsSpellCheckingFacility.exe' at path: \\?\C:\Windows\SoftwareDistribution\Download\7b87eb90a049ca84a67c07d0e0d66872\amd64_microsoft-windows-s..-downlevel.binaries_31bf3856ad364e35_6.3.9600.19155_none_5f8bcddaff58c30c\MsSpellCheckingFacility.exe
2019-02-06 18:28:47, Error CBS Exec: Failed to pre-stage package: Package_1501_for_KB4480970~31bf3856ad364e35~amd64~~6.1.1.6, file: MsSpellCheckingFacility.exe, source: \\?\C:\Windows\SoftwareDistribution\Download\7b87eb90a049ca84a67c07d0e0d66872\amd64_microsoft-windows-s..-downlevel.binaries_31bf3856ad364e35_6.3.9600.19155_none_5f8bcddaff58c30c\MsSpellCheckingFacility.exe, sandbox: (null) [HRESULT = 0x800f081f - CBS_E_SOURCE_MISSING]
2019-02-06 18:28:47, Info CBS Failed to gather all required files. [HRESULT = 0x800f081f - CBS_E_SOURCE_MISSING]
2019-02-06 18:28:47, Info CBS Failed to gather all missing files for package: Package_for_RollupFix~31bf3856ad364e35~amd64~~7601.24334.1.6 [HRESULT = 0x800f081f - CBS_E_SOURCE_MISSING]
2019-02-06 18:28:47, Info CSI 00000244@2019/2/7:02:28:47.975 CSI Transaction @0x5519560 destroyed
2019-02-06 18:28:47, Error CBS Failed to pre- stage package: Package_for_RollupFix~31bf3856ad364e35~amd64~~7601.24334.1.6 [HRESULT = 0x800f081f - CBS_E_SOURCE_MISSING]
2019-02-06 18:28:48, Info CBS Perf: Stage chain complete.