Type appwiz.cpl and hit to open Programs and Features .
This error typically occurs because the Windows Installer service cannot locate the source files needed to complete an update or repair. This happens for two common reasons: Officemui.msi Download
Since Officemui.msi cannot be downloaded as a standalone file from Microsoft, the solution is never to "find" the file elsewhere, but to using official tools and sources. Here are the recommended steps, organized from the simplest to the most comprehensive. Type appwiz
The Office Deployment Tool (ODT) is a free tool provided by Microsoft that allows you to customize and deploy Office installations. You can use ODT to download Officemui.msi as part of the Office installation process. Here are the recommended steps, organized from the
: If you have the original Office installation disk or ISO file, insert it. The installer often looks for OfficeMUI.msi in a folder named after your language (e.g., Office.en-us ).
What are you running? (e.g., Office 2016, 2019, or Microsoft 365) Are you running a 32-bit or 64-bit version of Windows?
Officemui.msi is a Microsoft Installer (MSI) file associated with Microsoft Office, specifically the Microsoft Office MUI (Multilingual User Interface) component. The "MUI" stands for Multilingual User Interface, which allows Office applications to display menus, dialog boxes, and other user interface elements in multiple languages.