no joy - perhaps reinstalling KB5011564 will help
DISM
2025-02-24 23:12:39, Info DISM DISM Package Manager: PID=10188 TID=11124 CBS session options=0x10400100! - CDISMPackageManager::Internal_Finalize
2025-02-24 23:15:38, Info DISM DISM Package Manager: PID=10188 TID=3076 Error in operation: unexpected internal XML parser error. (CBS HRESULT=0x800f0900) - CCbsConUIHandler::Error
2025-02-24 23:15:38, Error DISM DISM Package Manager: PID=10188 TID=11124 Failed finalizing changes. - CDISMPackageManager::Internal_Finalize(hr:0x800f0900)
2025-02-24 23:15:38, Error DISM DISM Package Manager: PID=10188 TID=11124 Failed processing package changes - CDISMPackageManager::StartComponentCleanup(hr:0x800f0900)
2025-02-24 23:15:38, Error DISM DISM Package Manager: PID=10188 TID=11124 Failed to start component cleanup. - CPackageManagerCLIHandler:
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rocessCmdLine_CleanupImage(hr:0x800f0900)
2025-02-24 23:15:38, Error DISM DISM Package Manager: PID=10188 TID=11124 Failed while processing command cleanup-image. - CPackageManagerCLIHandler::ExecuteCmdLine(hr:0x800f0900)
2025-02-24 23:15:38, Info DISM DISM Package Manager: PID=10188 TID=11124 Further logs for online package and feature related operations can be found at %WINDIR%\logs\CBS\cbs.log - CPackageManagerCLIHandler::ExecuteCmdLine
2025-02-24 23:15:38, Error DISM DISM.EXE: DISM Package Manager processed the command line but failed. HRESULT=800F0900
CBS
2025-02-24 23:15:38, Info CBS Failed to peek next token (status=0xc0000161) [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Failed to get next Token [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Wrong XML DECL [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Invalid xml format [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Manifest parsing error at line: 1, context:
[HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Failed to parse the manifest from the buffer. [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Failed to parse cbs package. [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Failed to load package: Package_4_for_KB5011564~31bf3856ad364e35~amd64~~6.3.1.14 [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Failed to con [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Failed to con [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Failed to read manifest content. [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Failed checking if package is deeply superseded: Package_for_KB5011564~31bf3856ad364e35~amd64~~9600.20303.1.14 [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]
2025-02-24 23:15:38, Info CBS Failed manual deepclean, scenario: 5 [HRESULT = 0x800f0900 - CBS_E_XML_PARSER_FAILURE]