Contrary to what the name suggests, this is a separate app you need to keep. It is a temporary background process used by Microsoft AutoUpdate to decompress and apply delta updates (patches) to Office applications like Word, Excel, and Outlook.
The most common fix is updating the underlying updater itself. Download the latest Microsoft AutoUpdate package . Install the package. Restart your Mac. 2. Perform a Clean Reinstallation of Office Microsoftsetupui.framework Mac Patch Download
: Users often search for a standalone "patch," but the true fix is a fresh version of the Microsoft AutoUpdate (MAU) package The Resolution : By downloading the latest MAU installer directly from Microsoft Learn , you overwrite the faulty MicrosoftSetupUI.framework and restore the interface. How to "Patch" the Error Contrary to what the name suggests, this is
Trying to install an older Office suite on a newer macOS version. Solutions: Microsoftsetupui.framework Patch and Fixes Download the latest Microsoft AutoUpdate package