Please see here for a downloadable MSI package of SevenZip 7-Zip 4.17. From here you can log into the zPackager service and instantly access a pre-prepared MSI package for the small fee of $200 AUD:
Features of this package include:
- Free of all Windows Installer ICE Validation Errors.
- Fully supported under many corporate Microsoft Windows based software package deployment solutions including Microsoft Active Directory, Microsoft SMS, Novell ZENworks and Altiris.
- Allows deployment to non-Administrative users providing usability on typical "managed" (locked-down) environments.
- Allows unattended installation. No user intervention is required.