KB3191839 Summary: Resolved Issue with Error Code 0x80070643
KB3191839 is an update for Microsoft Office products, particularly relevant to Excel and other components that depend on the Windows Data Access Components (WDAC). This cumulative update addresses issues such as performance improvements, stability enhancements, and resolves several known issues affecting users of Microsoft Office 2016.
This update includes a number of fixes related to functionality in different aspects of Microsoft Office products, including but not limited to Excel, Word, and Access. It also addresses various security vulnerabilities that could potentially be exploited by attackers, thereby enhancing the overall security posture of your system.
KB3191839 Description: Update Patches Known Vulnerabilities Causing 0x80070643 Errors
KB3191839 resolves multiple issues affecting Microsoft Office 2016 users, focusing on stability improvements for Excel and other components using WDAC. The update also addresses a number of bugs that could cause crashes or unexpected behavior when performing certain tasks within these applications.
Howto install KB3191839
- Ensure your system meets the minimum requirements to install KB3191839 by checking the Microsoft Support website.
- Download the update from the official Microsoft Update Catalog, using a trusted browser and avoiding third-party sources.
- Locate the downloaded file (usually with an .exe extension) and run it. Follow the on-screen instructions to begin the installation process.
- Select “Continue” if prompted by User Account Control (UAC) or other security settings to allow the installer to make changes to your computer.
- The installer will scan your system for prerequisites, download missing components from Microsoft’s servers automatically, and install them.
- Wait for the installation process to complete. This may take several minutes depending on your internet connection speed and available disk space.
- Once the update is installed, restart your computer as prompted by the installer to apply changes and ensure that all updates are properly integrated into your system.
Similar questions
What is update KB3191839 and what does it do?
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I’m worried about compatibility issues; will update KB3191839 work on all versions of Windows 10?
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Can I uninstall update KB3191839 after it has been installed, and if so, how would I go about doing that?
How can I download and install update KB3191839 manually if it’s not offered through Windows Update?
Will installing KB3191839 affect my computer’s performance or speed in any way?
What should I do if my system crashes after installing KB3191839, and how can I fix it?
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How often are updates like KB3191839 released for Windows 10, and is there an easy way to stay informed about them?