0x00000655

ERROR_INSTALL_UI_FAILURE

There was an error starting the Windows Installer service user interface. Contact your support personnel.

win32decimal 1621Windows Installer (MSI)

Matched as: the code as given (hex)

Log a case with no specific solution

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Source: System Error Codes (1300-1699) - Win32 apps · CC-BY-4.0 (MicrosoftDocs/sdk-api, repo license verified 2026-10-09) · retrieved 2026-10-09