What does HRESULT 0x80240058 (WU_E_INVALID_SERIALIZATION_VERSION) mean?

 
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WU_E_INVALID_SERIALIZATION_VERSION

WU_E_INVALID_SERIALIZATION_VERSION means a component requested an update-data serialization format that this Windows Update client does not support. It is usually a client/API compatibility problem.

What to verify

  • Check the WUA version and the application or management component that invoked it.
  • Avoid altering serialized data manually; update the client, management tool, or API integration to matching supported versions.
  • If the failure began after an update-service change, compare a working and failing client for WUA and operating-system differences.

Microsoft: Using the Windows Update Agent API

Microsoft: Windows Update error reference


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