Resolved: Error 0x80070643 with KB3115139 Update Applied

KB3115139 Update Summary – Fixes Error 0x80070643

KB3115139 is an update for Microsoft Office 2016 and later versions that addresses several issues including compatibility with SharePoint Online, improvements to the user interface, and various other fixes. This cumulative update package includes all the previous updates released prior to this one. It helps in reducing the number of updates you need to install and minimizes downtime. The update is particularly useful for organizations looking to enhance their Office applications’ functionality and stability in a SharePoint environment.

This update resolves several issues such as problems with co-authoring documents in real-time, incorrect display or behavior of features on the ribbon UI, difficulties in navigating between different views within SharePoint Online lists and libraries, issues with file open permissions, and enhancements to security and data protection mechanisms. The update also includes performance improvements that can reduce loading times for large files and improve overall application responsiveness.

To install KB3115139, follow these detailed steps:

1. Ensure you have administrative rights on your system.
2. Navigate to the Microsoft Update Catalog website or use the Windows Update feature in Control Panel.
3. Search for “KB3115139” and download the appropriate .exe file corresponding to your Office version and language settings.
4. Close all running instances of Microsoft Office applications before proceeding with the installation.
5. Run the downloaded executable (.exe) file. If prompted, allow administrative privileges when opening the installer.
6. The setup process may require you to accept terms and conditions. Review them carefully and click ‘Next’ or ‘Accept.’
7. Follow on-screen instructions to complete the installation process which includes downloading additional files if necessary.
8. After the installation is finished, restart your computer as recommended by Microsoft for changes to take effect.

KB3115139 Description – Addresses and Patches Error 0x80070643 in Windows Updates

KB3115139 addresses a range of issues and improvements in Microsoft Office 2016 and later versions. Specifically, it resolves problems with real-time co-authoring features such as the inability to save or check out files when other users are editing them simultaneously. The update also fixes incorrect display issues on the ribbon interface for various commands and settings, enhancing user experience by ensuring all menu options and icons appear correctly.

Moreover, KB3115139 resolves issues with navigating between different views in SharePoint Online lists and libraries, such as problems with filtering or sorting items incorrectly when transitioning from one view to another. It also addresses permission-related issues, including difficulties opening files due to insufficient permissions granted by administrators.

In addition to these specific fixes, the update includes several security enhancements aimed at protecting user data against potential threats, alongside performance improvements that can reduce loading times for large files and improve application stability and responsiveness overall. This cumulative update package consolidates all previous updates released prior to this one, thereby streamlining maintenance efforts for IT administrators managing multiple Office installations across an organization.

Howto install KB3115139

1. Visit the Microsoft Update Catalog or use Windows Update within Control Panel.
2. Select “KB3115139” and download the corresponding .exe file based on your system requirements (version, language).
3. Closing all instances of Office applications before beginning ensures a smooth installation process.
4. Execute the downloaded installer by double-clicking it; provide administrative rights if prompted.
5. Acknowledge any license agreements displayed during setup and proceed accordingly.
6. Follow instructions on-screen for downloading necessary files, including patches or additional components.
7. The installation concludes with a message indicating completion. Ensure you restart your PC as suggested.

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