If you already have a broken version of Office installed but the error occurs during update attempts:
sudo chmod -R 755 /Library/Application\ Support/Microsoft/MAU2.0/Microsoft\ AutoUpdate.app/Contents/Frameworks/Microsoftsetupui.framework Microsoftsetupui.framework Mac Patch Download
This seems insultingly simple, but it clears the dyld (dynamic linker cache). If the framework was locked by a previous stalled installation, a restart frees it. If you already have a broken version of
On macOS, Microsoft applications (particularly older versions of Office 2016, Office 2019, or standalone installers like Skype for Business) use an internal framework called MicrosoftSetupUI.framework. This framework is part of the Microsoft AutoUpdate (MAU) or the Office installer package. “MicrosoftSetupUI
When this framework becomes corrupt, missing, or version-mismatched, Microsoft applications may fail to launch, fail to update, or display errors like:
“MicrosoftSetupUI.framework cannot be loaded” or “Installation failed because a required component is missing.”
