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VFW_E_DVD_STATE_WRONG_VERSION
Meaning
Windows documents VFW_E_DVD_STATE_WRONG_VERSION as “The data did not contain a recognized version”. Here, the DVD Navigator rejects saved state data because its version is not recognized by the restoring implementation.
Conditions that can produce it
- Cause 1: bookmark data was created by an incompatible component version.
- Cause 2: application storage wrapped or altered the state blob.
- Cause 3: old state was retained across a format-breaking upgrade.
Relevant contract
Code-specific boundary: VFW_E_DVD_STATE_WRONG_VERSION narrows the investigation to the version of the serialized DVD state and the navigator implementation attempting to restore it. Preserve the DVD domain, title/menu location and graph topology from the same attempt so a later navigation error is not mistaken for the original condition.
Start with the DVD Navigator, graph builder, decoder inventory and renderer topology.
Evidence worth preserving
- Evidence 1: state-object producer version.
- Evidence 2: serialized state length and version field.
- Evidence 3: DVD Navigator and application build versions.
Correction strategy
- Action 1: discard incompatible bookmarks and create new state.
- Action 2: version application wrappers separately from the opaque DVD state.
- Action 3: never edit or reinterpret opaque IDvdState data.
Example incident
An upgrade loads a bookmark saved by an older DVD Navigator build and restoration rejects its version; invalidating old bookmarks resolves it.
Retry and recovery
Retry rule: Retry only with state produced in a compatible format; falling back to normal disc start is safer than repeatedly restoring invalid state.
How it differs from nearby results
VFW_E_DVD_STATE_CORRUPT means state data is damaged, while it means it is structurally from an unsupported revision.
Official Microsoft references
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