Scenario: A two node cluster required new and old software updates to bring it up to compliance. The installation of KB3000850 was failing to install either manually or via SCCM deployment on one node but not the other. WUAHandler.log Installation job encountered some failures. Error = 0x80240022. Commit Result = 0x00000001 CBS.log Not able to add file to extract: update.ses [HRESULT = 0x80070002 - ERROR_FILE_NOT_FOUND] CBS Store corruption, manifest missing for package: Package_33_for_KB3081320~31bf3856ad364e35~amd64~~6.3.1.1 CBS Mark store corruption flag because of package: Package_33_for_KB3081320~31bf3856ad364e35~amd64~~6.3.1.1. [HRESULT = 0x800f0831 - CBS_E_STORE_CORRUPTION] Failed to resolve package [HRESULT = 0x800f0831 - CBS_E_STORE_CORRUPTION] WER: Generating failure report for package: Package_for_KB3000850~31bf3856ad364e35~amd64~~6.3.1.8, status: 0x800f0831, failure source: Execute, start state: Staged, target state: Installed, client id: WindowsUpdateAgent Common