Running this installer will overwrite corrupted framework files with fresh, signed versions. 3. Clear the Microsoft Framework Caches

Microsoft provides a specific script to reset the licensing and framework state of Office on Mac. This is the most effective "patch" for UI framework errors.

Download the latest (not the full installer) for your version.

Type: sudo chmod -R 755 /Applications/Microsoft\ Word.app/Contents/Frameworks/ Enter your admin password. Final Recommendations

An interrupted download during an Office update.

💡 It is the only official way to receive patches for the Microsoftsetupui.framework. If your AutoUpdate tool is broken, you should download the latest version of "Microsoft AutoUpdate" separately from the Microsoft website to restore functionality.