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WINCODEC_ERR_UNSUPPORTEDVERSION
WINCODEC_ERR_UNSUPPORTEDVERSION means that a WIC component rejected the SDK or component version expected by the caller. This is commonly a deployment or registration compatibility issue rather than a bad image file.
What to check
- Verify the Windows version and the installed codec version on the affected machine.
- Do not mix headers or codec binaries from incompatible SDK or application releases.
- For third-party codecs, confirm that the component was registered for the process architecture that is actually loading it.
Capture the CLSID, codec vendor and process bitness in diagnostics. That separates a version mismatch from a format or stream failure.
Microsoft: Windows Imaging Component overview
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