ERROR_INSTALL_NOTUSED - 1634 (0x662)

Technical Meaning

The ERROR_INSTALL_NOTUSED error code, represented as 1634 in decimal and 0x662 in hexadecimal, indicates that a component or feature was not used during the installation process on the current computer. This can occur when certain components are optional and were explicitly excluded from the installation.

Error Details

This error is typically encountered during software installations where the installer detects that some features or components are not required for the specific configuration of the target system. The installer may choose to exclude these unused components to optimize the final product, reducing its size and potentially improving performance.

Usage Context

The ERROR_INSTALL_NOTUSED code can be returned by various installation routines within Windows, such as those executed via the Setup API or during the execution of a custom setup program. It is often used in conjunction with other error codes to provide detailed information about the installation process and its outcomes.

Developer Interpretation

Developers should interpret this error as an informational message rather than a failure condition. The presence of ERROR_INSTALL_NOTUSED does not indicate that the installation failed; instead, it signifies that certain components were omitted from the installation due to their non-usage on the current system configuration. This can be useful for logging and reporting purposes but should not affect the overall success of the installation.

Related Errors

• ERROR_INSTALL_FAILURE: Indicates a failure during the installation process.
• ERROR_INSTALL_PACKAGE_INVALID: Indicates that the package being installed is invalid or corrupted.
• ERROR_INSTALL_SOURCE_FILES_MISSING: Indicates that required source files are missing from the installation media.

FAQ

Q: What does ERROR_INSTALL_NOTUSED mean?

A: It indicates that a component was not used during the installation process on this computer. This is typically an informational message and does not indicate a failure in the installation.

Q: How can I handle this error in my application?

A: Since this is an informational message, you should continue with the installation process as normal. The absence of ERROR_INSTALL_NOTUSED does not guarantee that all components were installed successfully; other error codes may provide more detailed information about any issues encountered.

Summary

The ERROR_INSTALL_NOTUSED error code is a standard return value used by Windows and its applications to indicate that certain installation components were omitted due to their non-usage on the current system. This error should be interpreted as informational rather than a failure condition, and it does not affect the overall success of the installation.