ERROR_NOINTERFACE - 632 (0x278)

The requested interface is not supported.

Updated: Feb 21, 2026

Technical Meaning

The ERROR_NOINTERFACE error indicates that the requested interface is not supported by the system or component. This error typically arises when a function or method expects an interface that is not available, either because it has been disabled or because the required functionality is not implemented.

Error Details

  • Error Name: ERROR_NOINTERFACE
  • Numeric Code: 632 (0x278)
  • Short Description: The requested interface is not supported.

This error suggests that a specific API function or method was called with an interface identifier that the system cannot recognize or support. This can occur in various scenarios, such as when attempting to use a feature that requires a particular interface but that interface is either missing or disabled.

Usage Context

ERROR_NOINTERFACE can be encountered in different contexts within the Windows operating system and its applications. It typically appears when an application attempts to access functionality through an interface that is not recognized by the underlying system component.

Developer Interpretation

When encountering ERROR_NOINTERFACE, developers should consider the following:

  • Verify that the correct interface identifier (IID) is being used in the API call.
  • Ensure that all necessary components and dependencies are installed and enabled.
  • Check if the required functionality has been implemented or is supported by the system version.

Related Errors

FAQ

Q: What does ERROR_NOINTERFACE mean?

A: It indicates that a requested interface is not supported by the system or component.

Q: How can I resolve this error?

A: Ensure correct interface identifiers are used and verify that all necessary components are installed and enabled.

Summary

ERROR_NOINTERFACE is a specific error code indicating that an unsupported interface was requested. Developers should ensure proper usage of interface identifiers and check system configurations to avoid this error.