Operation did not complete because the DisableWindowsUpdateAccess policy was set.
The format of the proxy list was invalid.
The file is in the wrong format.
The search criteria string was invalid.
License terms could not be downloaded.
Update failed to download.
The update was not processed.
The object's current state did not allow the operation.
The functionality for the operation is not supported.
The downloaded file has an unexpected content type.
Agent is asked by server to resync too many times.
WUA API method does not run on Server Core installation.
Service is not available while sysprep is running.
The update service is no longer registered with AU.
An operation failed due to reasons not covered by another error code.
Search may have missed some updates because the Windows Installer is less than version 3.1.
Search may have missed some updates because the Windows Installer is not configured.
Search may have missed some updates because policy has disabled Windows Installer patching.
An update could not be applied because the application is installed per-user.
Search may have missed some updates because there was a failure of the Windows Installer.
WU_E_PT_SOAPCLIENT_* error codes map to the SOAPCLIENT_ERROR enum of the ATL Server Library.
Same as SOAPCLIENT_INITIALIZE_ERROR - initialization of the SOAP client failed, possibly because of an MSXML installation failure.
Same as SOAPCLIENT_OUTOFMEMORY - SOAP client failed because it ran out of memory.
Same as SOAPCLIENT_GENERATE_ERROR - SOAP client failed to generate the request.
Same as SOAPCLIENT_CONNECT_ERROR - SOAP client failed to connect to the server.
Same as SOAPCLIENT_SEND_ERROR - SOAP client failed to send a message for reasons of WU_E_WINHTTP_* error codes.
Same as SOAPCLIENT_SERVER_ERROR - SOAP client failed because there was a server error.
Same as SOAPCLIENT_SOAPFAULT - SOAP client failed because there was a SOAP fault for reasons of WU_E_PT_SOAP_* error codes.
Same as SOAPCLIENT_PARSEFAULT_ERROR - SOAP client failed to parse a SOAP fault.
Same as SOAPCLIENT_READ_ERROR - SOAP client failed while reading the response from the server.
Same as SOAPCLIENT_PARSE_ERROR - SOAP client failed to parse the response from the server.
Same as SOAP_E_VERSION_MISMATCH - SOAP client found an unrecognizable namespace for the SOAP envelope.
Same as SOAP_E_MUST_UNDERSTAND - SOAP client was unable to understand a header.
Same as SOAP_E_CLIENT - SOAP client found the message was malformed; fix before resending.
Same as SOAP_E_SERVER - The SOAP message could not be processed due to a server error; resend later.
There was an unspecified Windows Management Instrumentation (WMI) error.
The number of round trips to the server exceeded the maximum limit.
WUServer policy value is missing in the registry.
Initialization failed because the object was already initialized.
The computer name could not be determined.
Cannot determine computer LSID.
The reply from the server indicates that the server was changed or the cookie was invalid; refresh the state of the internal cache and retry.
Same as HTTP status 400 - the server could not process the request due to invalid syntax.
Same as HTTP status 401 - the requested resource requires user authentication.
Same as HTTP status 403 - server understood the request, but declined to fulfill it.
Same as HTTP status 404 - the server cannot find the requested URI (Uniform Resource Identifier)
Same as HTTP status 405 - the HTTP method is not allowed.
Same as HTTP status 407 - proxy authentication is required.
Same as HTTP status 408 - the server timed out waiting for the request.
Same as HTTP status 409 - the request was not completed due to a conflict with the current state of the resource.