HRESULT 0xC00D132E (NS_E_CURLHELPER

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Description:

The URL is not a file.%0

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NS_E_CURLHELPER_NOTADIRECTORY	NS_E_CURL_CANTDECODE

NS_E_CURLHELPER_NOTAFILE

What `NS_E_CURLHELPER_NOTAFILE` means at its owning API

When NS_E_CURLHELPER_NOTAFILE (0xC00D132E) appears, the first blocked transition is an operation requiring a file URL received a directory-like URL. In practice, the notafile URL check must be reconstructed from the same URL, stream, object generation and call sequence.

Before any socket is opened, the player decomposes a URL into scheme, authority, host, port, path and escaped data before closing the notafile incident. It may also combine a relative reference with a base URL or convert a file URL into a path; each operation has a different validity rule in the notafile diagnostic record. In the case of NS_E_CURLHELPER_NOTAFILE, preserve the earliest lower-level result because wrappers can map several different causes to the same HRESULT when isolating the notafile case.

One-component URL experiment

Log 0xC00D132E, NS_E_CURLHELPER_NOTAFILE, the exact operation and the first failure time at the notafile checkpoint.
Preserve the original unmodified string, character count, encoding, base URL if any, parsed scheme, host, port and path, plus required and supplied output-buffer lengths while tracing the notafile path.
Do not reuse a graph, session, reader or metadata object created before the relevant configuration or resource changed during a controlled notafile retest.
Perform one isolated test: repeat with a URL whose final component identifies a file and remove only the directory-only assumption for evidence about notafile.
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 notafile URL check is fixed.
Confirm the expected next state and retain any new HRESULT as a separate downstream result in the notafile diagnostic record.

What completed, and what did not

Before the notafile URL check, earlier setup may have succeeded, but an operation requiring a file URL received a directory-like URL was not completed. This is why logs should preserve both the last successful call and NS_E_CURLHELPER_NOTAFILE.

The targeted comparison is repeat with a URL whose final component identifies a file and remove only the directory-only assumption while tracing the notafile path. It changes the disputed precondition without changing the media identity or unrelated machine settings during a controlled notafile retest.

Preserve the raw and parsed URL

Capture	Why it separates `NS_E_CURLHELPER_NOTAFILE`
Owning call	Record the API method, object identity, thread or callback and timestamp for the notafile URL check.
Decisive values	the original unmodified string, character count, encoding, base URL if any, parsed scheme, host, port and path, plus required and supplied output-buffer lengths before closing the notafile incident.
Object generation	Note when the reader, writer, graph, URL object, streaming session or metadata provider was created; stale state can reproduce `NS_E_CURLHELPER_NOTAFILE` after configuration has changed.
First nested result	Keep the earliest codec, COM, socket, DNS, parser or provider status before `NS_E_CURLHELPER_NOTAFILE`; later UI messages are less specific.
Comparison case	Use one known-good resource that exercises the same the notafile URL check while changing only the rejected precondition.

What the parser result proves

Retest result	Interpretation for `NS_E_CURLHELPER_NOTAFILE`
The identical call still returns the code	The values governing the notafile URL check are unchanged, or the caller is still using an older object generation.
A fresh object succeeds	Lifetime or cached state contributed to `NS_E_CURLHELPER_NOTAFILE`; correct object recreation instead of applying a machine-wide workaround during a controlled notafile retest.
The call advances to another HRESULT	The the notafile URL check boundary was cleared. Diagnose the new code at its own format, graph, URL, network or metadata stage before closing the notafile incident.
Only one resource fails	The evidence favors content, URL, publishing point, stream, attribute or object-specific state rather than a global outage in the notafile diagnostic record.

Misleading actions

blindly decoding and re-encoding the whole URL, which can change reserved delimiters and resource identity when isolating the notafile case.
Do not erase the first NS_E_CURLHELPER_NOTAFILE occurrence by repeatedly retrying; callbacks and reconnects can replace the useful state with a later wrapper error at the notafile checkpoint.
Do not publish credentials, protected-content material or complete private URLs while tracing the notafile path. Record redacted identifiers, lengths, hashes and protocol fields needed to reproduce the notafile URL check.

Nearby results are not interchangeable

Main distinction: URL syntax errors occur before server DNS, proxy selection or streaming-session creation for evidence about notafile.

Nearby HRESULT	How to compare it
`NS_E_CURL_INVALIDPORT`	Compare the owning API and first rejected value; it belongs to a neighboring checkpoint, not automatically to the same cause as `NS_E_CURLHELPER_NOTAFILE`.
`NS_E_CURLHELPER_NOTADIRECTORY`	Use object state and operation order to decide which code is authoritative when both appear in one trace in the notafile diagnostic record.
`NS_E_CURL_CANTDECODE`	Retain this result separately if it appears only after the `NS_E_CURLHELPER_NOTAFILE` condition has cleared.

Technical references

For NS_E_CURLHELPER_NOTAFILE, retain the post-fix trace so a later pipeline result is not mistaken for recurrence of this boundary at the notafile checkpoint.

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