ERROR_IMAGE_MACHINE_TYPE_MISMATCH_EXE - 720 (0x2D0)
{Machine Type Mismatch} The image file %hs is valid, but is for a machine type other than the current machine.
Updated: Feb 21, 2026
Technical Meaning
The error code ERROR_IMAGE_MACHINE_TYPE_MISMATCH_EXE indicates that an executable file is not compatible with the current system architecture. This typically occurs when a program compiled for one type of processor or operating system version attempts to run on a different system.
Error Details
When this error is encountered, it signifies that the image file (executable) being executed is valid but intended for a machine type other than the current system's architecture. For example, an x86 executable might be attempted to run on an x64 system, or vice versa.
Usage Context
This error can occur in various scenarios where an application attempts to load and execute an incompatible image file. It is commonly encountered during the execution of a program that has been compiled for a different architecture than the one running on the current machine.
Developer Interpretation
Developers should ensure that their applications are compatible with the target system's architecture before deployment. This can be achieved by compiling the application for the appropriate platform or by using runtime detection mechanisms to handle architecture mismatches gracefully.
Related Errors
ERROR_BAD_EXE_FORMAT(998, 0x3E6): Indicates that an executable file is not in a format recognized by the system.ERROR_INVALID_IMAGE_FORMAT(126, 0x7E): The image file is valid but cannot be processed due to its format being incorrect or unsupported.
FAQ
Q: What does this error mean?
A: This error indicates that an executable file intended for a different machine type than the current system architecture has been attempted to run. It suggests that the application and the operating system are not compatible in terms of their architecture.
Q: How can I resolve this issue?
A: Ensure that you have the correct version of the application compiled for your system's architecture or use compatibility tools if available.
Summary
The ERROR_IMAGE_MACHINE_TYPE_MISMATCH_EXE error is a generic indication that an executable file intended for a different machine type than the current system has been attempted to run. Developers should ensure their applications are compatible with the target system's architecture to avoid this issue.