HRESULT 0xC00D11C6 (NS_E_WMP_OUTOFMEMORY): meaning and diagnosis

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Your computer is running low on memory. Quit other programs, and then try again.%0

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NS_E_WMP_TAMPERED_CONTENT	NS_E_WMP_AUDIO_CODEC_NOT_INSTALLED

NS_E_WMP_OUTOFMEMORY

Diagnosing NS_E_WMP_OUTOFMEMORY in the Windows Media Player playback path

NS_E_WMP_OUTOFMEMORY (0xC00D11C6) is returned when the Player or one of its graph components failed a memory allocation or commit request.

Trace path or URL resolution, proxy and network selection, parser and codec discovery, graph construction, rendering and optional DRM as separate layers. The actionable checkpoint is the Player or one of its graph components failed a memory allocation or commit request. Although this result may appear as “cannot play” or “cannot save,” it belongs to a specific object state that should be diagnosed directly.

Playback 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: process private bytes, commit charge, allocation size, 32/64-bit process, decoder buffers and leak trend. The controlled comparison for this HRESULT is: reproduce with one short sample in a fresh process while tracing allocations and graph construction.

Closest distinction: NS_E_WMP_NO_DISK_SPACE concerns persistent or temporary storage on a volume.

Capture the first failing layer

Capture	Why it matters for this HRESULT
Object or resource	process private bytes, commit charge, allocation size, 32/64-bit process, decoder buffers and leak trend
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.

Controlled playback comparison

Capture the resource identity and process private bytes, commit charge, allocation size, 32/64-bit process, decoder buffers and leak trend.
verify that the caller uses the current Playlist, Media, Network, graph, device or DRM object generation.
Run the narrow experiment: reproduce with one short sample in a fresh process while tracing allocations and graph construction.
Do not mix the result experiment with a codec pack, Player reset or broad registry cleanup.
After this result, treat a new specific HRESULT as evidence that this boundary was cleared.

How to interpret the retest

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 Player or one of its graph components failed a memory allocation or commit request — 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

deleting media files to solve virtual address exhaustion.
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

The result fix is demonstrated by the same Player path succeeding with the same resource, not by another application opening it.

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