| Previous | Next |
| NS_E_WINSOCK_ERROR_STRING | NS_E_WMPBR_BACKUPCANCEL |
NS_E_WMPBR_NOLISTENER
Diagnosing NS_E_WMPBR_NOLISTENER during Windows Media rights backup or connectivity
NS_E_WMPBR_NOLISTENER (0xC00D1130) is returned when the asynchronous DRM backup/restore component has no registered window or callback to receive progress events.
Preserve one asynchronous operation record containing the selected path, event listener, network resource and license-store status. Here, the decisive boundary is the asynchronous DRM backup/restore component has no registered window or callback to receive progress events. This result is most useful when treated as a Player checkpoint, not as a recommendation to reinstall everything.
Backup/restore boundary
AllStat already supplies the standard user-facing description for this HRESULT; this custom block instead isolates the additional technical boundary. Earlier success in file lookup, network connection, parser creation or graph construction does not prove that the later the operation is valid.
Case-specific checkpoint: listener registration, target HWND validity, thread message pump, interface lifetime and operation start order. The controlled comparison for this HRESULT is: register a listener on a live message-pumping thread before starting a small backup operation.
Closest distinction: NS_E_WMPBR_BACKUPRESTOREFAILED reports operation failure after the workflow is active.
Preserve the operation record
| Capture | Why it matters for this HRESULT |
|---|---|
| Object or resource | listener registration, target HWND validity, thread message pump, interface lifetime and operation start order |
| State snapshot | Record the Player openState/playState or operation phase, object identity and exact timestamp when this result was returned. |
| First lower result | Keep the earliest Win32, Winsock, COM, parser, codec, DRM or device result that appears before this result. |
| Comparison record | Use one known-good case that follows the same API, protocol and component path while changing only the rejected precondition. |
Safe controlled retry
- Record
0xC00D1130, this result, the exact method or command and the first failure time. - Preserve listener registration, target HWND validity, thread message pump, interface lifetime and operation start order.
- Perform one isolated comparison: register a listener on a live message-pumping thread before starting a small backup operation.
- Repeat the original Player path after it and keep any new HRESULT as a downstream result.
- confirm the expected state transition rather than only disappearance of the dialog.
Interpreting completion
| Retest outcome | Interpretation |
|---|---|
| Same it on the same object | The governing state or value is unchanged, or the caller is reusing an object created before the relevant change. |
| Fresh object succeeds | Lifetime, cached configuration or stale playlist/graph state contributed to it. |
| A later HRESULT appears | The rejected condition — the asynchronous DRM backup/restore component has no registered window or callback to receive progress events — was cleared for this HRESULT; diagnose the new code at its own layer. |
| Only one item or endpoint fails for this HRESULT | The evidence favors resource-specific data, rights, routing or device state rather than a global Player failure. |
Actions that obscure the cause
- granting file permissions when the missing component is an event receiver.
- Do not discard the first occurrence by repeatedly invoking Play, open, save or retry; later events can replace its original state.
- do not publish credentials, private URLs, license material or complete protected-content headers; retain only redacted identifiers, lengths, hashes and protocol fields.
Technical references
- Backing up and restoring DRM licenses
- Backing up and restoring licenses
- Windows Media DRM client interfaces
- WM_BACKUP_RESTORE_STATUS
- Microsoft HRESULT registry
Close it only when the original operation crosses this boundary and reaches the expected next Player state.
Looking for a different code? Search another status or error code.