ERROR_INSTALL_UI_FAILURE - 1621 (0x655)

Technical Meaning

The ERROR_INSTALL_UI_FAILURE error code indicates that there was an issue starting the Windows Installer service user interface. This typically occurs during installation or setup processes where a graphical user interface is required.

Error Details

This generic error suggests that the system encountered a problem while attempting to display or interact with the installer's UI, which could be due to various underlying issues such as missing dependencies, incorrect permissions, or corrupted data.

Usage Context

This error can occur in scenarios where an installation or setup process requires user interaction through a graphical interface. It is commonly seen during software installations or system updates that involve interactive steps.

Developer Interpretation

When encountering this error, developers should interpret it as a failure to properly initialize the Windows Installer service's UI component. This could indicate issues with the installer itself, the environment in which it runs, or the underlying operating system state.

Related Errors

• ERROR_INSTALL_FAILURE (1603)
• ERROR_INSTALL_PACKAGE_INVALID (1729)

FAQ

Q: What does the ERROR_INSTALL_UI_FAILURE error mean?

A: It indicates a failure to start the Windows Installer service user interface, which can occur during installation or setup processes requiring user interaction.

Q: How can I resolve this issue?

A: Contact your system administrator or support personnel for assistance. Ensure that all prerequisites are met and that the environment is in a stable state before attempting the operation again.

Summary

The ERROR_INSTALL_UI_FAILURE error code signifies an issue with starting the Windows Installer service user interface, which can be caused by various factors such as missing dependencies, incorrect permissions, or corrupted data. Developers should interpret this error as a failure to properly initialize the UI component and seek assistance from support personnel.