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NS_E_CD_REFRESH
Practical scope of NS_E_CD_REFRESH
This HRESULT is produced at serializing table-of-contents refresh while the drive is already being queried. NS_E_CD_REFRESH belongs to audio-cd discovery, digital reading and ripping, not to an undifferentiated “Windows Media problem.”
Pipeline position
At the NS_E_CD_REFRESH 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 serializing table-of-contents refresh while the drive is already being queried.
For NS_E_CD_REFRESH, recognition of the drive does not prove that usable audio sectors, a stable digital-read path or a valid rip destination are available. In a typical failing run, two UI paths request a TOC refresh immediately after tray insertion.
Reproduction record
| Evidence | Why it matters for refresh |
|---|---|
| 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 | media-change generation, refresh owner, outstanding drive command and current rip/play state |
| Generation identity | Record the same disc, device, job or Player operation generation that returned NS_E_CD_REFRESH; 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_REFRESH. |
| Controlled comparison | Repeat the producing call after changing only this condition: wait for the active refresh to finish and then re-enumerate the disc once. |
Reading the evidence
| Observation | Interpretation |
|---|---|
| The recorded values match the boundary | The result is consistent with serializing table-of-contents refresh while the drive is already being queried; correct that state before changing unrelated codecs, drivers or playlists. |
A lower layer failed before NS_E_CD_REFRESH | Preserve that earlier HRESULT or device result because NS_E_CD_REFRESH may be only the Player-level mapping. |
| The same call passes after one isolated change | The comparison supports the refresh diagnosis rather than a broad installation failure. |
The code changes after retesting NS_E_CD_REFRESH | The NS_E_CD_REFRESH boundary was passed; diagnose the new HRESULT as the next independent stage. |
NS_E_CD_REFRESH scopes the failure to serializing table-of-contents refresh while the drive is already being queried. The presence of NS_E_CD_REFRESH does not establish a system-wide media failure; verify its owning operation before changing unrelated Player components.
Verification procedure
- Capture
0xC00D0FB1,NS_E_CD_REFRESH, the exact Player/API operation and the first timestamp at which it appears. - Save media-change generation, refresh owner, outstanding drive command and current rip/play state; do this before ejecting media, reconnecting a device, canceling a job or rebuilding the Player object.
- For
NS_E_CD_REFRESH, 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: wait for the active refresh to finish and then re-enumerate the disc once.
- Create a fresh operation generation and verify that the original call advances beyond the refresh boundary.
Results that may look similar
| Related result | Different diagnostic boundary |
|---|---|
NS_E_CD_DRIVER_PROBLEM | using the optical driver’s digital-audio path after media recognition |
NS_E_REDBOOK_ENABLED_WHILE_COPYING | detecting a mismatch between the Player read mode and the drive’s Red Book setting |
NS_E_WONT_DO_DIGITAL | confirming that the selected drive/driver combination will not provide digital CD audio |
Change the smallest responsible condition
The targeted action is to wait for the active refresh to finish and then re-enumerate the disc once. While retesting NS_E_CD_REFRESH, keep unrelated media, device, playlist and network values unchanged.
When verifying NS_E_CD_REFRESH, 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.
References for the NS_E_CD_REFRESH boundary
- About CD Ripping.
- Windows Media Player object model.
- IDiscRecorder2::DisableMcn and media-change notification.
- WAVEFORMATEX structure.
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