| Previous | Next |
| NS_E_BKGDOWNLOAD_FAILEDINITIALIZE | NS_E_BKGDOWNLOAD_INVALID_FILE_NAME |
NS_E_INTERFACE_NOT_REGISTERED_IN_GIT
How to investigate NS_E_INTERFACE_NOT_REGISTERED_IN_GIT
The code 0xC00D126A narrows the event to retrieving a COM interface from the Global Interface Table in another apartment. Treat NS_E_INTERFACE_NOT_REGISTERED_IN_GIT as a checkpoint in background download jobs and windows media packages and retain its first lower-level error.
What the Player is doing
At the NS_E_INTERFACE_NOT_REGISTERED_IN_GIT checkpoint, the Player’s download manager coordinates an owner window, a plug-in, background job identity, temporary files and final completion or cancellation; A downloaded .wmd package adds an extraction and cataloguing phase after transfer. The page-specific boundary is retrieving a COM interface from the Global Interface Table in another apartment.
For NS_E_INTERFACE_NOT_REGISTERED_IN_GIT, receiving all network bytes is not the same as completing the job, moving the temporary file or successfully unpacking and cataloguing a Windows Media Download package. A realistic trigger is that a worker uses a cookie after shutdown code revoked the interface.
Capture before changing state
| Evidence | Why it matters for interface not registered in git |
|---|---|
| Producing object and operation | job GUID and Player signature, BITS/job state, expected and actual file count, remote and local names, temporary path, completion/cancel request, plug-in and callback identity, COM apartment, WMD extraction result and first underlying HRESULT |
| Decisive observation | GIT cookie, requested IID, register/revoke sequence and callback apartment |
| Generation identity | Record the same disc, device, job or Player operation generation that returned NS_E_INTERFACE_NOT_REGISTERED_IN_GIT; 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_INTERFACE_NOT_REGISTERED_IN_GIT. |
| Controlled comparison | Repeat the producing call after changing only this condition: register the live interface before cross-apartment use and revoke it only after callbacks finish. |
Interpretation guide
| Observation | Interpretation |
|---|---|
| The recorded values match the boundary | The result is consistent with retrieving a COM interface from the Global Interface Table in another apartment; correct that state before changing unrelated codecs, drivers or playlists. |
A lower layer failed before NS_E_INTERFACE_NOT_REGISTERED_IN_GIT | Preserve that earlier HRESULT or device result because NS_E_INTERFACE_NOT_REGISTERED_IN_GIT may be only the Player-level mapping. |
| The same call passes after one isolated change | The comparison supports the interface not registered in git diagnosis rather than a broad installation failure. |
The code changes after retesting NS_E_INTERFACE_NOT_REGISTERED_IN_GIT | The NS_E_INTERFACE_NOT_REGISTERED_IN_GIT boundary was passed; diagnose the new HRESULT as the next independent stage. |
NS_E_INTERFACE_NOT_REGISTERED_IN_GIT scopes the failure to retrieving a COM interface from the Global Interface Table in another apartment. The presence of NS_E_INTERFACE_NOT_REGISTERED_IN_GIT does not establish a system-wide media failure; verify its owning operation before changing unrelated Player components.
Five-step isolation test
- Capture
0xC00D126A,NS_E_INTERFACE_NOT_REGISTERED_IN_GIT, the exact Player/API operation and the first timestamp at which it appears. - Save GIT cookie, requested IID, register/revoke sequence and callback apartment; do this before ejecting media, reconnecting a device, canceling a job or rebuilding the Player object.
- For
NS_E_INTERFACE_NOT_REGISTERED_IN_GIT, correlate the result with job GUID and Player signature, BITS/job state, expected and actual file count, remote and local names, temporary path, completion/cancel request, plug-in and callback identity, COM apartment, WMD extraction result and first underlying HRESULT. - Reproduce once with the original source and destination, then apply only this change: register the live interface before cross-apartment use and revoke it only after callbacks finish.
- Create a fresh operation generation and verify that the original call advances beyond the interface not registered in git boundary.
Different boundaries in the same family
| Related result | Different diagnostic boundary |
|---|---|
NS_E_BKGDOWNLOAD_FAILEDINITIALIZE | starting the overall background-download manager and job database |
NS_E_BKGDOWNLOAD_INVALID_FILE_NAME | deriving a valid final filename for the requested download |
NS_E_BKGDOWNLOAD_WMDUNPACKFAILED | extracting and validating a downloaded .wmd package after transfer |
Correction criteria
The test is successful when you register the live interface before cross-apartment use and revoke it only after callbacks finish, recreate the owning operation, and the original call no longer returns NS_E_INTERFACE_NOT_REGISTERED_IN_GIT.
When verifying NS_E_INTERFACE_NOT_REGISTERED_IN_GIT, do not delete the job or temporary file before recording its state, owner signature and file list; Completion and cancellation are terminal operations and must not be retried blindly.
COM apartment lifetime is part of the failure
A pointer that was valid in the registering apartment is not a substitute for a valid Global Interface Table cookie. Record the thread/apartment that called RegisterInterfaceInGlobal, the cookie, requested IID and the point at which RevokeInterfaceFromGlobal ran. A shutdown race can make a later worker callback look like a missing Player component.
Documentation
- BITS interfaces and job objects.
- Completing and canceling a BITS job.
- BITS return values and job-state failures.
- Windows Media Download packages.
- Creating the COM Global Interface Table.
Looking for a different code? Search another status or error code.