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NS_E_CD_READ_ERROR
How to investigate NS_E_CD_READ_ERROR
The code 0xC00D0FAC narrows the event to reading one or more audio sectors despite the configured retry/correction policy. Treat NS_E_CD_READ_ERROR as a checkpoint in audio-cd discovery, digital reading and ripping and retain its first lower-level error.
What the Player is doing
At the NS_E_CD_READ_ERROR checkpoint, windows Media Player identifies the inserted medium, reads its table of contents, creates a CD reader, and then chooses digital audio extraction or an analog playback path; Ripping adds destination-path creation and an encoder selected from the user’s rip settings. The page-specific boundary is reading one or more audio sectors despite the configured retry/correction policy.
For NS_E_CD_READ_ERROR, recognition of the drive does not prove that usable audio sectors, a stable digital-read path or a valid rip destination are available. A realistic trigger is that the table of contents is readable but a damaged track cannot be extracted.
Capture before changing state
| Evidence | Why it matters for read error |
|---|---|
| Producing object and operation | physical drive identifier, media-change generation, disc and track number, table-of-contents result, digital/analog mode, error-correction flag, read speed, rip state, output format and first lower-level drive error |
| Decisive observation | first failing sector range, track, retry/correction result, drive firmware and raw read error |
| Generation identity | Record the same disc, device, job or Player operation generation that returned NS_E_CD_READ_ERROR; a reconnect or media change creates a different test. |
| Underlying result | Keep the first device, filesystem, COM, codec, DirectShow, IMAPI or BITS result seen before the Player mapped it to NS_E_CD_READ_ERROR. |
| Controlled comparison | Repeat the producing call after changing only this condition: test the same sector on a known-good drive or use an undamaged disc before changing the encoder. |
Interpretation guide
| Observation | Interpretation |
|---|---|
| The recorded values match the boundary | The result is consistent with reading one or more audio sectors despite the configured retry/correction policy; correct that state before changing unrelated codecs, drivers or playlists. |
A lower layer failed before NS_E_CD_READ_ERROR | Preserve that earlier HRESULT or device result because NS_E_CD_READ_ERROR may be only the Player-level mapping. |
| The same call passes after one isolated change | The comparison supports the read error diagnosis rather than a broad installation failure. |
The code changes after retesting NS_E_CD_READ_ERROR | The NS_E_CD_READ_ERROR boundary was passed; diagnose the new HRESULT as the next independent stage. |
NS_E_CD_READ_ERROR scopes the failure to reading one or more audio sectors despite the configured retry/correction policy. The presence of NS_E_CD_READ_ERROR does not establish a system-wide media failure; verify its owning operation before changing unrelated Player components.
Five-step isolation test
- Capture
0xC00D0FAC,NS_E_CD_READ_ERROR, the exact Player/API operation and the first timestamp at which it appears. - Save first failing sector range, track, retry/correction result, drive firmware and raw read error; do this before ejecting media, reconnecting a device, canceling a job or rebuilding the Player object.
- For
NS_E_CD_READ_ERROR, correlate the result with physical drive identifier, media-change generation, disc and track number, table-of-contents result, digital/analog mode, error-correction flag, read speed, rip state, output format and first lower-level drive error. - Reproduce once with the original source and destination, then apply only this change: test the same sector on a known-good drive or use an undamaged disc before changing the encoder.
- Create a fresh operation generation and verify that the original call advances beyond the read error boundary.
Different boundaries in the same family
| Related result | Different diagnostic boundary |
|---|---|
NS_E_CD_READ_ERROR_NO_CORRECTION | reading an audio sector while error correction is disabled |
NS_E_CD_SLOW_COPY | feeding the rip pipeline while another activity consumes drive bandwidth |
NS_E_CD_COPYTO_CD | rejecting a direct optical-disc-to-optical-disc audio copy workflow |
Correction criteria
The test is successful when you test the same sector on a known-good drive or use an undamaged disc before changing the encoder, recreate the owning operation, and the original call no longer returns NS_E_CD_READ_ERROR.
When verifying NS_E_CD_READ_ERROR, do not polish the disc, change the driver, switch read modes and change the rip format in one test; preserve the first failing track and alter one boundary at a time.
Documentation
- About CD Ripping.
- Windows Media Player object model.
- IDiscRecorder2::DisableMcn and media-change notification.
- WAVEFORMATEX structure.
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