My grateful thanks go to Eric Brodish of Microsoft Redmond for providing this very comprehensive list of Windows Update error codes!!

Error Code Dec Error Code Error String Description
0x00000000 -4294967296 Success  
0x00000001 -4294967295 ERROR_INVALID_FUNCTION  
0x0000007B -4294967173 Error_Invalid_Name The filename, directory name,or volume label syntax is incorrect
0x00000275 -4294966667 Error_cant_enable_Deny_only A group marked use for deny only can not be enabled
0x0000041D -4294966243 ERROR_SERVICE_REQUEST_TIMEOUT The service did not respond to the start or control request in a timely fashion.
0x000004C3 -4294966077 Error_Session_Credential_Conflict Multiple connections to a server or shared resource by the same user,using more than one user name, are not allowed. 
0x000004C5 -4294966075 Error_Dup_Domainename The workgroup or domain name is already in use by another computer on the network.
0x000005D5 -4294965803 NULL  
0x00000619 -4294965735 error_Invalid_HW_Profile The specified hardware profile configuration is invalid
0x00000641 -4294965695 Error_Install_Service_failure The Windows Installer Service could not be accessed. This can occur if you are running Windows in safe mode, or if the Windows Installer is not correctly installed.
0x00000643 -4294965693 ERROR_INSTALL_FAILURE Fatal error during installation
0x00000652 -4294965678 ERROR_INSTALL_ALREADY_RUNNING Another installation is already in progress. Complete that installation before proceeding with this install.
0x000006D9 -4294965543 EPT_S_Not_Registered There are no more endpoints available from the endpoint mapper.
0x000006F6 -4294965514 RPC_X_BYTE_Count_TOO_Small The byte count is too small
0x00000963 -4294964893 NERR_BADPasswordCore This share name or password is invalid
0x00000BC2 -4294964286 Error_Success_Reboot_Required  
0x00000C0B -4294964213 NULL  
0x00000CC4 -4294964028 NULL  
0x00000D47 -4294963897 NULL  
0x00000E5C -4294963620 NULL  
0x00000E74 -4294963596 NULL  
0x0000109F -4294963041 NULL  
0x00001112 -4294962926 Error_No_Media_In_Drive No media in drive
0x0000117A -4294962822 NULL  
0x00001190 -4294962800 Error_Shutdown_IS_Scheduled A system shutdown has already been scheduled
0x00001234 -4294962636 Error_Port_Unreachable No Service is operating at the destination network endpoint on the remote system
0x00001396 -4294962282 Error_Wrong_Target_Name Logon failure: The target account name is incorrect.
0x000013D7 -4294962217 Error_Cluster_restype_Note_Supported The specified node does not support a resource of this type. This amy be due to version inconsistancies or due to the absence of the resource DLL on this node.
0x00001449 -4294962103 Error_Invalid_Showwin_Command Cannot show or remove the window in the way specified
0x00001633 -4294961613 NULL  
0x000017C7 -4294961209 NULL  
0x000017D2 -4294961198 NULL  
0x000018BE -4294960962 NULL  
0x00001AD4 -4294960428 NULL  
0x00001ADA -4294960422 NULL  
0x00001C70 -4294960016 NULL  
0x00001CE8 -4294959896 NULL  
0x00001D7A -4294959750 NULL  
0x00001F1D -4294959331 NULL  
0x00001F59 -4294959271 NULL  
0x00002075 -4294958987 NULL  
0x0000229A -4294958438 NULL  
0x000022CA -4294958390 NULL  
0x0000230B -4294958325 NULL  
0x00002685 -4294957435 NULL  
0x000028A5 -4294956891 NULL  
0x00002ABF -4294956353 NULL  
0x00002BBE -4294956098 NULL  
0x00002D49 -4294955703 NULL  
0x00002DA4 -4294955612 NULL  
0x00002DDC -4294955556 NULL  
0x00002EBD -4294955331 NULL  
0x00002ED7 -4294955305 NULL  
0x000032D8 -4294954280 NULL  
0x000035DD -4294953507 NULL  
0x000036F8 -4294953224 NULL  
0x000037A1 -4294953055 NULL  
0x000037FA -4294952966 NULL  
0x0000384E -4294952882 NULL  
0x000038F5 -4294952715 NULL  
0x0000399D -4294952547 NULL  
0x00003A5C -4294952356 NULL  
0x00003D16 -4294951658 NULL  
0x00003E44 -4294951356 NULL  
0x00004016 -4294950890 NULL  
0x000040CF -4294950705 NULL  
0x00004146 -4294950586 NULL  
0x000041F4 -4294950412 NULL  
0x0000433D -4294950083 NULL  
0x000043F9 -4294949895 NULL  
0x000044CC -4294949684 NULL  
0x0000471E -4294949090 NULL  
0x00004808 -4294948856 NULL  
0x00004910 -4294948592 NULL  
0x00004966 -4294948506 NULL  
0x00004A65 -4294948251 NULL  
0x00004BF9 -4294947847 NULL  
0x00004CC2 -4294947646 NULL  
0x00004D2D -4294947539 NULL  
0x00004DB8 -4294947400 NULL  
0x00004E90 -4294947184 NULL  
0x00004FA2 -4294946910 NULL  
0x00005112 -4294946542 NULL  
0x000051CF -4294946353 NULL  
0x00005249 -4294946231 NULL  
0x00005299 -4294946151 NULL  
0x0000530C -4294946036 NULL  
0x000053C4 -4294945852 NULL  
0x00005492 -4294945646 NULL  
0x00005542 -4294945470 NULL  
0x0000556E -4294945426 NULL  
0x000055BC -4294945348 NULL  
0x00005636 -4294945226 NULL  
0x00005812 -4294944750 NULL  
0x00005844 -4294944700 NULL  
0x000058F7 -4294944521 NULL  
0x00005A6A -4294944150 NULL  
0x00005AA5 -4294944091 NULL  
0x00005C0E -4294943730 NULL  
0x00005FE9 -4294942743 NULL  
0x00006056 -4294942634 NULL  
0x0000626E -4294942098 NULL  
0x000062B6 -4294942026 NULL  
0x0000651F -4294941409 NULL  
0x000065AA -4294941270 NULL  
0x000065BA -4294941254 NULL  
0x00006F50 -4294938800 NULL  
0x00007052 -4294938542 NULL  
0x00007190 -4294938224 NULL  
0x00007617 -4294937065 NULL  
0x00007747 -4294936761 NULL  
0x00007865 -4294936475 NULL  
0x00007B86 -4294935674 NULL  
0x00007C12 -4294935534 NULL  
0x00007C78 -4294935432 NULL  
0x00007CE1 -4294935327 NULL  
0x00007D12 -4294935278 NULL  
0x00007DFF -4294935041 NULL  
0x00007EC9 -4294934839 NULL  
0x00007F83 -4294934653 NULL  
0x00007FCC -4294934580 NULL  
0x0000F06A -4294905750 NULL  
0x0000F06B -4294905749 NULL  
0x0000F0DA -4294905638 NULL  
0x00240001 -4292607999 WU_S_SERVICE_STOP Service stopped
0x00240002 -4292607998 WU_S_SELFUPDATE  Agent selfupdates
0x00240003 -4292607997 WU_S_UPDATE_ERROR Overall operation completed but error occurred while processing one or more specified updates.
0x00240004 -4292607996 WU_S_MARKED_FOR_DISCONNECT The caller attempted to disconnect an operation but the operation is busy calling back so the callback is marked for disconnect later
0x00240005 -4292607995 WU_S_REBOOT_REQUIRED The system needs to be rebooted to complete installation.
0x00240006 -4292607994 SUS_S_ALREADY_INSTALLED The update to be installed is already installed
0x00240007 -4292607993 WU_S_ALREADY_UNINSTALLED  The update to be uninstalled is already not installed.
0x00240008 -4292607992 WU_S_ALREADY_DOWNLOADED The update to be downloaded is already downloaded
0x80000007 -2147483641 E_ABORT   
0x80004001 -2147467263 E_NOTIMPL  
0x80004002 -2147467262 E_Nointerface  
0x80004003 -2147467261 E_Pointer Invalid pointer
0x80004004 -2147467260 E_ABORT  Operation Aborted
0x80004005 -2147467259 E_Fail  
0x80004015 -2147467243 CO_E_WRONG_SERVER_IDENTITY The security descriptor on the BITS service was changed by a security template such that NetworkService account doesn’t have READ access to BITS service.
0x8000FFFF -2147418113 E_UNEXPECTED  
0x80010100 -2147417856 RPC_E_SYS_CALL_FAILED  
0x80010105 -2147417851 RPC_E_Serverfault  
0x80010108 -2147417848 RPC_E_Disconnected  
0x80040154 -2147221164 REGDB_E_CLASSNOTREG BITS in Windows 2000 is dependent on SENS and EventSystem services. If COM+ catalog is corrupted, one of these errors was seen.
0x800401F3 -2147221005 CO_E_Classstring  
0x800401FD -2147220995 CO_E_Objnotconnected Object is not connected to server
0x80040206 -2147220986 EVENT_E_INTERNALERROR There will be event messages in Application/System log regarding the errors.
0x80070001 -2147024895 ERROR_INVALID_FUNCTION  
0x80070002 -2147024894 ERROR_FILE_NOT_FOUND The System cannot find the file specified
0x80070003 -2147024893 COR_E_DIRECTORYNOTFOUND The specified path couldn't be found - ALLUSERSPROFILE Microsoft network dir doesn’t exist
0x80070005 -2147024891 ERROR_ACCESS_DENIED  The authentication method is not supported. - CoCreateInstance(IBackgroundCopyManager) fails with E_ACCESSDENIED (0x80070005) in this condition
0x80070006 -2147024890 E_Handle Handle not valid error
0x80070008 -2147024888 ERROR_NOT_ENOUGH_MEMORY  The system is out of memory.
0x8007000B -2147024885 COR_E_BADIMAGEFORMAT The format of the DLL or executable being loaded is invalid
0x8007000D -2147024883 Error_invalid_data  
0x8007000E -2147024882 E_OUTOFMEMORY  
0x80070017 -2147024873 ERROR_CRC Data error (cyclic redundancy check).
0x8007001F -2147024865 ERROR_GEN_FAILURE A device attached to the system is not functioning
0x80070020 -2147024864 STIERR_SHARING_VIOLATION The process cannot access the file because it is being used by another process 
0x80070032 -2147024846 ERROR_NOT_SUPPORTED  
0x80070050 -2147024816 ERROR_FILE_EXISTS  
0x80070052 -2147024814 ERROR_CANNOT_MAKE The directory or file cannot be created
0x80070057 -2147024809 ERROR_INVALID_PARAMENTER - E_INVALIDARG One or more arguments are not valid error - Invalid proxy server name was specified in the user’s IE settings and hence WinhttpSetProxySettings call fails with E_INVALIDARG error. BITS puts the job in TRANSIENT_ERROR with the same error code. For ex, if the proxy server is set to http://foo/bar/proxy.pac, this error will be seen. This error is also seen when credentials are supplied such that scheme is not NTLM/Negotiate, but username/password is NULL, since that is not valid (WinhttpSetCredentials fails with E_INVALIDARG. BITS 1.5 puts the job into ERROR state with BG_E_INVALID_RESPONSE in the above 2 cases, because of error code mapping E_INVALIDARG is always mapped to (BG_E_INVALID_SERVER_RESPONSE)
0x80070070 -2147024784 ERROR_DISK_FULL There is not enough space on the disk
0x8007007A -2147024774 ERROR_INSUFFICIENT_BUFFER  
0x8007007B -2147024773 STIERR_INVALID_DEVICE_NAME  
0x8007007E -2147024770 ERROR_MOD_NOT_FOUND The specified module could not be found. 
0x8007007F -2147024769 ERROR_PROC_NOT_FOUND The specified procedure could not be found. 
0x80070080 -2147024768 ERROR_WAIT_NO_CHILDREN  There are no child processes to wait for
0x800700A1 -2147024735 ERROR_BAD_PATHNAME  
0x800700B6 -2147024714 ERROR_INVALID_ORDINAL  
0x800700C1 -2147024703 ERROR_BAD_EXE_FORMAT  is not a valid Win32 application
0x800700E7 -2147024665 Error_Pipe_Busy All pipe instances are busy
0x80070103 -2147024637 ERROR_NO_MORE_ITEMS:  
0x8007010B -2147024629 ERROR_DIRECTORY The directory name is invalid
0x8007012E -2147024594 Error_Disk_Too_Fragmented  
0x800701E7 -2147024409 Error_Invalid_Address  
0x800703e3 -2147023901 Error_Operation_Aborted The I/O operation has been aborted because of either a thread exit or an application request
0x800703e5 -2147023899 ERROR_IO_PENDING  
0x800703E6 -2147023898 Error_Noaccess  to memory location Invalid access to memory location
0x800703E7 -2147023897 Error_Swaperror Error performing inpage operation
0x800703EB -2147023893 Error_Can_Not_Complete Cannot complete this function
0x800703Ed -2147023891 ERROR_UNRECOGNIZED_VOLUME The volume does not contain a recognized file system
0x800703F0 -2147023888 ERROR_NO_TOKEN An attempt was made to reference a token that does not exist
0x8007041D -2147023843 ERROR_SERVICE_REQUEST_TIMEOUT The service did not respond to the start or control request in a timely fashion
0x8007041E -2147023842 Error_Service_No_Thread A thread could not be created for this service
0x8007041F -2147023841 ERROR_SERVICE_DATABASE_LOCKED The service database is locked
0x80070422 -2147023838 ERROR_SERVICE_DISABLED The service cannot be started. If BITS service is disabled by the Administrator, then this error will be seen.
0x80070424 -2147023836 ERROR_SERVICE_DOES_NOT_EXIST Due to a bug in BITS 1.5 OOB setup, after BITS 1.5 install, the BITS service is deleted, but the 1.5 install returns success code. BITS 1.5 binaries are copied to the machine, but the service doesn’t exist. This can also happen if the BITS service is explicitly deleted by running the command sc delete bits
0x80070426 -2147023834 ERROR_SERVICE_NOT_ACTIVE The service has not been started
0x8007042B -2147023829 ERROR_PROCESS_ABORTED  
0x8007042C -2147023828 Error_Service_Dependency_Fail  
0x80070433 -2147023821 ERROR_SERVICE_DEPENDENCY_DELETED BITS service has a dependency on lanmanworkstation service in BITS 1.0 and 1.2. If “Client for Microsoft networks” network component is uninstalled, then lanmanworkstation service is deleted, but BITS dependency will still be present. After that, BITS service fails to start
0x80070437 -2147023817 Error_Different_Service_Account  
0x8007043B -2147023813 ERROR_SERVICE_NOT_IN_EXE The executable program that this service is configured to run does not implement the service. netsvcs registry value in HKLM\Software\Microsoft\WindowsNT\CurrentVersion\Svchost registry key should contain the service names that can be run in that service host. On XP and Windows 2003, BITS should be in this value. If “BITS” is missing from that value, then ERROR_SERVICE_NOT_IN_EXE error is seen when attempting to start the service
0x8007045A -2147023782 ERROR_DLL_INIT_FAILED  
0x8007045B -2147023781 ERROR_SHUTDOWN_IN_PROGRESS  
0x80070490 -2147023728 E_PROP_ID_UNSUPPORTED Permission denied / [Problem initializing or using session variables] or Element not found
0x800704C7 -2147023673 ERROR_CANCELLED Cancelled by user
0x800704DD -2147023651 Error_Not_Logged_On to network  
0x80070502 -2147023614 Error_Stack_Buffer_Overrun The system detected an overrun of a stack-based buffer in this application
0x80070570 -2147023504 ERROR_FILE_CORRUPT  
0x8007057F -2147023489 Error_Cannot_Find_WND_Class Cannot find windows class
0x8007058D -2147023475 Error_Control_ID_Not_Found  
0x800705AA -2147023446 ERROR_NO_SYSTEM_RESOURCE Insufficient system resources exist to complete the requested service
0x800705AD -2147023443 Error_Working_Set_Quota Insufficient quota to complete the requested service
0x800705AF -2147023441 ERROR_COMMITMENT_LIMIT The paging file is too small for this operation to complete
0x800705B4 -2147023436 Error_Timeout  
0x80070643 -2147023293 ERROR_INSTALL_FAILURE  
0x80070652 -2147023278 ERROR_INSTALL_ALREADY_RUNNING ErrorClientUpdateInProgress  
0x8007066A -2147023254 Error_Patch_Target_Not_Found The program to be upgraded may be missing or the patch may upgrade a different version of the program
0x800706A6 -2147023194 RPC_S_Invalid_Binding Terminal Services optional component is installed on the machine, but the “Terminal Services” service has been disabled.
0x800706B5 -2147023179 RPC_S_Unknown_IF Eventlog service is not running. BITS tries to initialize the event logger object during initialization and fails to start, if the initialization fails. If event log service is not running, then the initialization fails with RPC_S_UNKNOWN_IF error
0x800706BA -2147023174 RPC_S_SERVER_UNAVAILABLE  
0x800706BB -2147023173 RPC_S_SERVER_TOO_BUSY The RPC server is too busy to complete this operation
0x800706BE -2147023170 RPC_S_CALL_FAILED  
0x800706BF -2147023169 PRC_S_Call_Failed_DNE  
0x800706C6 -2147023162 RPC_S_Invalid_Bound The array bounds are invalid
0x800706F7 -2147023113 RPC_X_Bad_Stub_Data This can occur after a control selfupdate that has not fully completed and requires a reboot. The controls may need to be reregistered.
0x80070704 -2147023100 Error_Unknown_Port  
0x80070BC2 -2147021886 ErrorControlRebootRequired  
0x8007276b -2147014805 WSASYSNOTREADY The description of WSASYSNOTREADY says WSAStartup cannot function at this time because the underlying system it uses to provide network services is currently unavailable. It seems that something is wrong with networking components on the system.
0x8007277B -2147014789 WSASYSCALLFAILURE A system call that should never fail has failed
0x80072AF9 -2147013895 WSAHOST_NOT_FOUND  
0x80072AFC -2147013892 WSANO_DATA  
0x80072EE2 -2147012894 ERROR_INTERNET_TIMEOUT  The request has timed out.
0x80072EE4 -2147012892 ERROR_INTERNET_INTERNAL_ERROR An internal error has occurred.
0x80072EE5 -2147012891 Error_Internet_Invalid_URL  
0x80072EE6 -2147012890 ERROR_INTERNET_UNRECOGNIZED_SCHEME  The URL scheme could not be recognized or is not supported.
0x80072EE7 -2147012889 ERROR_INTERNET_NAME_NOT_RESOLVED  The server name could not be resolved.
0x80072EEF -2147012881 ERROR_INTERNET_LOGIN_FAILURE  
0x80072EF1 -2147012879 ERROR_INTERNET_OPERATION_CANCELLED  
0x80072EF2 -2147012878 Error_Internet_Incorrect_handle_type  
0x80072EF3 -2147012877 Error_Internet_Incorrect_Handle_State  
0x80072EFD -2147012867 ERROR_INTERNET_CANNOT_CONNECT  The attempt to connect to the server failed.
0x80072EFE -2147012866 ERROR_INTERNET_CONNECTION_ABORTED  The connection with the server has been terminated.
0x80072F0C -2147012852 Error_Internet_Client_Auth_Cert_Needed  
0x80072F0D -2147012851 ERROR_INTERNET_INVALID_CA  
0x80072F76 -2147012746 ERROR_HTTP_HEADER_NOT_FOUND  The requested header could not be located
0x80072F78 -2147012744 ERROR_HTTP_INVALID_SERVER_RESPONSE  The server response could not be parsed.
0x80072F7c -2147012740 ERROR_HTTP_REDIRECT_FAILED  
0x80072F83 -2147012733 ERROR_INTERNET_DISCONNECTED  
0x80072F8c -2147012724 ERROR_INTERNET_NOT_INITIALIZED  
0x80072F8F -2147012721 ERROR_INTERNET_SECURE_FAILURE   ErrorClockWrong One or more errors were found in the Secure Sockets Layer (SSL) certificate sent by the server.
0x800736B1 -2147010895 Error_SXS_Cant_gen_Actctx This application has failed to start because the application configuration is incorrect.
0x8007F001 -2146963455 STATUS_FAILED_LANGUAGE_TYPE Setup cannot update your  files because the language\installed on your system is different from the update language.
0x8007F002 -2146963454 STATUS_CHECKED_FREE_MISMATCH  Setup cannot update a checked (debug) system with a free (retail) version of , or vice versa.
0x8007F003 -2146963453 STATUS_NOT_ENOUGH_SPACE There is not enough disk space on to install . Setup requires a minimum of d additional megabytes of free space or if you also want to archive the files for uninstall, Setup requires d additional megabytes of free space. Free additional sp
0x8007F004 -2146963452 STATUS_INSUFFICIENT_PRIVS You do not have permission to update . Please contact your system administrator.
0x8007F007 -2146963449 STATUS_CANT_FIND_INF Setup could not find the update.inf file needed to update your system.
0x8007F008 -2146963448 STATUS_UPDATE_SUCCESSFUL  has been updated. Remove any disks from the floppy disk drives and choose OK to restart your computer. If you change or add any components to your system, you will need to reapply the Hotfix.
0x8007F009 -2146963447 STATUS_UPDATE_UNSUCCESSFUL  installation did not complete.
0x8007F00a -2146963446 STATUS_SHUTDOWN_UNSUCCESSFUL  Setup was unable to shutdown system. Please shutdown your system manually.
0x8007F00B -2146963445 STATUS_FILE_NOT_FOUND_IN_SETUP_LOG Could not locate entry for HAL.DLL in SETUP.LOG to determine type of HAL to update.
0x8007F00C -2146963444 STATUS_INVALID_INF_FILE The file is not correct.
0x8007F00d -2146963443 STATUS_USER_CANCELLED  Setup canceled.
0x8007F00E -2146963442 STATUS_PLATFORM_MISMATCH This  is for a different hardware platform.
0x8007F00f -2146963441 STR_CAPTION  Setup
0x8007F010 -2146963440 STR_WARNCAPTION  Setup Warning
0x8007F011 -2146963439 STR_ERRCAPTION  Setup Error
0x8007F012 -2146963438 STR_FAILED_TO_DELETE_OR_RENAME The file  is open or in use by another application. Close all other applications and then click Retry.
0x8007F013 -2146963437 STR_FAILED_TO_SAVE_REGISTRY  Setup could not backup registry key  to file
0x8007F014 -2146963436 STR_FAILED_TO_READ_REGISTRY  Setup could not backup registry value
0x8007F015 -2146963435 STR_ASK_DIRTY_UNINSTALL  Select ''OK'' to undo the changes that have been made, or select ''Cancel'' to quit. If you select ''Cancel'', your system will be left in a partially updated state and may not work correctly.
0x8007F016 -2146963434 STR_LEAVING_DIRTY  has been partially updated and may not work properly.
0x8007F017 -2146963433 STR_ARE_YOU_SURE_CANCEL Are you sure you want to cancel?
0x8007F018 -2146963432 STR_SOURCE_MEDIA_NAME_UNINSTALL   Uninstall Directory
0x8007F019 -2146963431 STR_SOURCE_MEDIA_NAME   Uninstall Directory
0x8007F01a -2146963430 STR_SOURCE_MEDIA_NAME_SYSTEM  System Files
0x8007F01b -2146963429 STR_INST_HOTFIX  Setup found hotfixes on your system. Would you like to install these hotfixes now? 
0x8007F01c -2146963428 STR_UNINST_ALREADY_CREATED You have already created an Uninstall directory. Doing this again will overwrite your current uninstall directory. Are you sure you want to do this? 
0x8007F01d -2146963427 STR_OEM_FILE Your computer vendor installed this file on your computer. Do you want  Setup to replace this file?
0x8007F01e -2146963426 STR_CATALOG_INSTALL_FAILED Failed to install catalog files. 
0x8007F01f -2146963425 STR_ADD_REGISTRY_FAILED Failed to add registry entry. 
0x8007f020 -2146963424 STATUS_BUILD_VERSION_MISMATCH Setup has detected that the build version of the system installed does not match the update you are applying to it. You can only install this update only on Build %d .
0x8007f021 -2146963423 STATUS_SP_VERSION_GREATER The version of Windows you have installed does not match the update you are trying to install.
0x8007f022 -2146963422 STATUS_CANT_SPAWN_HOTFIX  Setup could not start the hotfix installation program.
0x8007f023 -2146963421 STATUS_CANT_FIND_TAG  Setup could not locate the  files.
0x8007f024 -2146963420 STATUS_OVERWRITE_UNINSTALL WARNING: You have chosen to overwrite your existing uninstall:  If you continue, you will only be able to uninstall to the following Service Pack version:  Are you sure you want to continue? Click Yes to continue creating the
0x8007f026 -2146963418 STATUS_WININET_LOAD_FAILED This Web-based update requires Internet Explorer 3.0 or later. For instructions on how to download a version of this update that does not require a Web connection during installation, download and install  from http://www.Microsoft.com/Downloads
0x8007f027 -2146963417 STATUS_CANT_INSTALL_SP_ON_DTC