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ERROR_INSTALL_TRANSFORM_FAILURE
ERROR_INSTALL_TRANSFORM_FAILURE means that a Windows Installer transform could not be applied to the package database. A transform changes MSI database data for a particular deployment or language, so the base package and transform must be compatible.
What to check
- Verify the transform path and make sure it belongs to the exact MSI package and product version being installed.
- Check deployment parameters that register or supply transforms, including per-user and per-machine context.
- For package authors, validate transform sequencing and conflicts rather than silently omitting the transform.
Microsoft: MsiAdvertiseScript transform validation · Microsoft: Windows Installer error codes
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