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ERROR_EXE_MACHINE_TYPE_MISMATCH
The binary targets the wrong machine type
ERROR_EXE_MACHINE_TYPE_MISMATCH means that Windows identified a processor-architecture mismatch while loading or launching an image. Typical cases involve mixing x86, x64, ARM64, or platform-specific helper binaries.
What to check
- Record the architecture of the operating system, caller, and target image.
- Verify that deployment selected the correct package variant.
- Check dependent DLLs as well as the main executable.
- Do not infer architecture from the file name alone; inspect the PE machine field.
How to handle it
Install or select a matching binary. Cross-architecture communication should use a supported process boundary rather than attempting to load an incompatible module.
References
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