| Previous | Next |
| NS_E_INVALIDPACKETSIZE | NS_E_UNSUPPORTED_ARCHIVETYPE |
NS_E_PLUGIN_CLSID_INVALID
The failing boundary in the Encoder object model
The useful reading of NS_E_PLUGIN_CLSID_INVALID (0xC00D1B76) is not merely the standard message shown above. It locates parsing and activation of a COM plug-in class identifier inside encoder plug-in discovery and activation.
Source, transform and device-control extensions are COM plug-ins in a session that returns this result. The Encoder must parse a CLSID, instantiate the registered component, obtain the expected interface and verify that the plug-in supports the selected source or transformation.
Evidence that separates this code from a wrapper error
A registered class can still be the wrong bitness, expose the wrong interface or reject the requested media type in a session that returns this result. For example, a truncated CLSID is copied from configuration into the source plug-in field. Preserve the result distinction before a UI layer converts the result into a broad start, capture or profile failure.
| Field | What to preserve |
|---|---|
| Decisive values | original CLSID string, parsed GUID, registry view, process bitness and CoCreateInstance result |
| Producing object | CLSID text and binary value, COM registration path and bitness, DLL path/version/signature, requested interface IID, source scheme or transform name, activation HRESULT and access-control result |
| Session correlation | the same source-group generation, audience index, object identity and callback sequence that produced this result |
| Lower-level evidence | the first COM, driver, file-system or codec HRESULT observed before the Encoder mapped the condition to this result |
| Controlled comparison | a known-good session that changes only the setting named in the plugin clsid invalid boundary |
Interpret the next measurement
| Observation | How to interpret it |
|---|---|
| Observation that supports it | The decisive evidence is original CLSID string, parsed GUID, registry view, process bitness and CoCreateInstance result. It confirms parsing and activation of a COM plug-in class identifier in the same object generation. |
| Observation that points to an earlier failure | The recorded values satisfy the plugin clsid invalid rule, but a source, driver, COM activation or file operation returns a different HRESULT first. |
| Observation that points to a later failure | The Encoder passes this boundary (parsing and activation of a COM plug-in class identifier), but a codec, archive or broadcast sink then fails in a subsequent stage. |
| Verification after correction | Apply this isolated change: store a valid GUID and register the intended plug-in in the matching bitness. The original plugin clsid invalid call should then advance past the same checkpoint. |
The operational impact of it is limited to the encoder plug-in discovery and activation transition that owns parsing and activation of a COM plug-in class identifier. In the representative case where a truncated CLSID is copied from configuration into the source plug-in field, keep the first failing call and its object identity so a later wrapper cannot replace the plugin clsid invalid evidence.
Test the condition without rewriting the session
- Record
0xC00D1B76, it, the Encoder version and the exact API call or property access that returned it. - Export the current
.wmeor.prxconfiguration, then capture original CLSID string, parsed GUID, registry view, process bitness and CoCreateInstance result. - verify the encoder plug-in discovery and activation precondition without changing the source, profile and output sink at the same time.
- Run one controlled comparison in which only this condition changes: store a valid GUID and register the intended plug-in in the matching bitness.
- After the change, recreate the affected Encoder object rather than assuming the existing graph discarded its earlier plugin clsid invalid state.
Interpret neighboring results carefully
| Result | Why it is a different boundary |
|---|---|
NS_E_NO_VALID_SOURCE_PLUGIN | selection or activation of a source plug-in capable of opening the configured input |
NS_E_CODEC_UNAVAILABLE | profile activation when one or more named codecs cannot be instantiated |
NS_E_TRANSFORM_PLUGIN_NOT_FOUND | lookup or activation cannot find the transform plug-in named by the session |
Resolution and verification
The direct repair for this occurrence is to store a valid GUID and register the intended plug-in in the matching bitness. Recreate the affected source group, profile or output object, repeat the same operation, and confirm that the first failing HRESULT no longer comes from the plugin clsid invalid checkpoint.
Do not register downloaded DLLs blindly; preserve the original CLSID mapping and verify provenance, bitness and interface support in a session that returns it.
References for the boundary
- Retrieving the configured encoder input.
- Preparing a source group for encoding.
- Saving a Windows Media Encoder configuration.
- ICCompressQuery video-compressor format check.
Looking for a different code? Search another status or error code.