Security Update Package Installer 3.3.2 release notes
about 1 hour ago
September 23, 2025
🆕 New features
Digitally sign CAB files and Powershell scripts used in SUPI
SUPI packages are digitally signed and then validated by the SUPI engine before being executed.
✨ Enhancements
Remove/replace dependency on the U-Series Authentication Service
We've removed code dependencies on an older service that managed internal authentication calls.
Restore WUSA installation of MSU files instead of workaround
A workaround to handle sub-installers was removed and replaced with a more modern approach.
🛠️ Issues resolved
| Issue | Resolution |
|---|---|
| Files being deleted that should remain. | Updated to be less aggressive when deleting files that are currently being processed. |
| c:\Appliance\Updater\ folder exists with the original files after upgrading | Cleaned older directories on upgrading. |
