What does Windows error code 1620 (ERROR_INSTALL_PACKAGE_INVALID) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The specified file is not a valid Windows Installer package for this operation.

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ERROR_INSTALL_PACKAGE_OPEN_FAILED	ERROR_INSTALL_UI_FAILURE

ERROR_INSTALL_PACKAGE_INVALID

ERROR_INSTALL_PACKAGE_INVALID means that Windows Installer could not open the file as a valid installer package. Unlike 1619, which can be caused by a source-access problem, 1620 points to the package format or compatibility of the opened file.

What to check

Verify that the file is the expected MSI package and was not truncated, replaced, or generated for another installer technology.
Obtain a fresh copy from the product vendor or the managed software distribution source.
Do not rename an arbitrary executable or archive to an MSI extension as a workaround.

Microsoft: Windows Installer error codes · Microsoft: initialization errors

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