HRESULT 0xC00D0BBF (NS_E_TAMPERED_CONTENT): meaning and diagnosis

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Description:

This media file is corrupted or invalid. Contact the content provider for a new file.%0

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NS_E_LICENSE_REQUIRED	NS_E_LICENSE_OUTOFDATE

NS_E_TAMPERED_CONTENT

What `NS_E_TAMPERED_CONTENT` means at its owning API

When this result (0xC00D0BBF) appears, the first blocked transition is integrity checks on protected media data or its protection metadata did not validate. In practice, the tampered content media-format check must be reconstructed from the same URL, stream, object instance and call sequence.

A controlled media-format test

Log 0xC00D0BBF, this result, the exact operation and the first failure time.
Preserve reader or writer object, stream and input numbers, profile identity, sample timestamps, buffer lengths and the first callback or SDK call that returned the code.
Perform one isolated test: open the same content with a minimal reader or writer configuration and add the disputed option only after the baseline succeeds.
Repeat through the same API and protocol path; a different player or local-copy test is useful only as a comparison, not as proof that the tampered content media-format check is fixed.

What completed, and what did not

Before the tampered content media-format check, earlier setup may have succeeded, but integrity checks on protected media data or its protection metadata did not validate was not completed. This is why logs should preserve both the last successful call and this result.

For a targeted comparison, open the same content with a minimal reader or writer configuration and add the disputed option only after the baseline succeeds. This isolates the disputed precondition without changing the media identity or unrelated machine settings.

Profile and sample evidence

Capture	Why it matters
Owning call	Record the API method, object identity, thread or callback and timestamp for the tampered content media-format check.
Values to record	reader or writer object, stream and input numbers, profile identity, sample timestamps, buffer lengths and the first callback or SDK call that returned the code.
Object instance	Note when the reader, writer, graph, URL object, streaming session or metadata provider was created; stale state can reproduce it after configuration has changed.
Comparison case	Use one known-good resource that exercises the same tampered content media-format check while changing only the rejected precondition.

Misleading actions

removing protection metadata or modifying the file, which can destroy the evidence and cannot grant rights.
Record redacted identifiers, lengths, hashes and protocol fields needed to reproduce the tampered content media-format check.

Nearby results are not interchangeable

Main distinction: It belongs to format, profile or sample processing, not merely to file-name or network resolution.

Nearby HRESULT	How to compare it
`NS_E_NOT_CONFIGURED`	sample processing began before all mandatory codec or writer properties were committed.
`NS_E_PROTECTED_CONTENT`	the requested read, transform or copy path requires rights that were not established for the content.
`NS_E_AUDIO_CODEC_NOT_INSTALLED`	no installed audio codec matches the requested compressed subtype.

Technical references

Retain the post-fix trace so a later pipeline result is not mistaken for recurrence of this failure.

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