HRESULT 0x80040233 (TPC_E_INVALID_PACKET

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Constant name:

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Description:

Diagnosis and recovery for invalid packet description.

Could be also:
Constant	Type	OS
VFW_E_TIME_ALREADY_PASSED	HRESULT	Windows

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VFW_E_NOT_ALLOWED_TO_SAVE	VFW_E_TIME_ALREADY_PASSED

TPC_E_INVALID_PACKET_DESCRIPTION

Meaning and numerical form

TPC_E_INVALID_PACKET_DESCRIPTION is HRESULT 2147746355 (0x80040233; signed -2147220941). AllStat records its meaning as “TabletPC inking error code. Invalid packet description”. In practical terms, it is returned when a RealTimeStylus packet description is structurally invalid or inconsistent with packet data.

The severity bit in 0x80040233 is set, so this result is a failure result rather than a success or informational status. Its facility is 4 (FACILITY_ITF) and its low 16-bit code is 563 (0x0233). Those fields classify the value but do not identify the component instance, call, object or input that produced it.

Where the failure belongs

This result belongs to Tablet PC ink, stylus and recognition. Tablet PC APIs span device enumeration, RealTimeStylus packet queues, ink-object lifetime and recognizer-specific capabilities. The numerical facility does not identify which Tablet PC layer produced the result. The decisive condition is this: a RealTimeStylus packet description is structurally invalid or inconsistent with packet data. Record the first native producer instead of relying only on a framework exception translated several layers later.

Do not infer from this result alone that reinstalling, rebooting or repeating the whole workflow is appropriate. Because it can cross process and language boundaries, its correction depends on the object identity, lifecycle generation, input and state at the first failing call.

Evidence to collect

A useful diagnostic record for this result includes the native API or interface method, component or CLSID, process and thread IDs, architecture, apartment where relevant, operation correlation ID, elapsed time, input identity, and the first state-changing event before failure. When diagnosing it, preserve IErrorInfo, an inner HRESULT, Win32 status, device event or provider message when available.

Capture 1 for this HRESULT: desired packet-property GUIDs in order.
Capture 2 for this HRESULT: packet stride, value count and tablet context.
Capture 3 for this HRESULT: the effective packet description returned after device negotiation.

Telemetry for this HRESULT should retain types, lengths, hashes, stable opaque identifiers and lifecycle generations while redacting content and credentials. This makes repeated incidents comparable without exposing ink content, packet data, account details or recognizer input.

Likely causes

Possible cause 1 for this HRESULT: property count does not match the supplied GUID array.
Possible cause 2 for this HRESULT: packet values use an order different from the declared properties.
Possible cause 3 for this HRESULT: duplicate or unsupported packet-property definitions violate the API contract.

Diagnostic sequence

Capture it at the first native return and identify the exact object and method.
Confirm that the observed path matches this condition: a RealTimeStylus packet description is structurally invalid or inconsistent with packet data.
compare the live state with the method contract before changing configuration.
collect the code-specific evidence listed above and preserve any more specific preceding error.
change one evidence-backed cause at a time, then repeat the smallest operation that can prove the correction.
Add a regression check that distinguishes it from the related outcomes described below.

Practical scenario

A plug-in assumes pressure is the third packet field even though the device omitted it; reading the negotiated description avoids it. The result scenario narrows the result to a reproducible contract boundary and supplies a concrete before-and-after test.

Correction and retry boundary

Corrective action 1 for this HRESULT: build packet descriptions from validated property arrays.
Corrective action 2 for this HRESULT: read the effective device-supported description instead of assuming every requested property was accepted.
Corrective action 3 for this HRESULT: version plug-in expectations when adding packet fields.

Retry guidance for this HRESULT. Retry after correcting the description and reconnecting if the API requires configuration before enablement. A retry must avoid this hazard: replay stale strokes, reorder stylus packets or reuse an invalid recognizer context. It must also preserve the evidence needed to locate the original producer of it.

Difference from nearby HRESULTs

TPC_E_UNKNOWN_PROPERTY concerns an unrecognized property GUID, while it concerns the structure or ordering of the complete packet schema. Keep these outcomes separate in logs, exception mappings, user messages, dashboards and automated retry policy.

Developer and operational guidance

Code handling it should log the failed stage before cleanup, keep ownership and lifecycle transitions explicit, and avoid converting every failure into a generic message. Tests for this HRESULT should cover the primary cause, one adjacent HRESULT and the retry boundary so a future change cannot turn a deterministic contract failure into an uncontrolled loop.

Operational repair for this HRESULT should use supported device, Tablet PC component, recognizer and application lifecycle paths. Avoid unsupported configuration edits or component replacement unless evidence identifies that layer. Retain the original trace and a post-fix trace so the result can be attributed and the change reversed.

Official Microsoft references

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