Error 0x80070643 Solved with KB2920732 Update
KB2920732 is an important update provided by Microsoft for Windows 8.1 and Windows Server 2012 R2, addressing several security vulnerabilities in the .NET Framework. This cumulative update includes all previous updates released before April 2014 that are applicable to both platforms, enhancing their security posture against potential threats.
KB2920732 Update Fixes Error 0x80070643: Summary of Changes and Description
This cumulative update addresses multiple vulnerabilities within the Microsoft .NET Framework and its components on Windows 8.1 and Windows Server 2012 R2. Specifically, it mitigates several remote code execution (RCE) risks that could allow an attacker to execute arbitrary code on affected systems by enticing users to open specially crafted files or navigate compromised websites.
The update also resolves various issues related to data validation and buffer handling which can lead to information disclosure if exploited through maliciously crafted input. Additionally, it includes fixes for memory corruption vulnerabilities that may cause applications using the .NET Framework to unexpectedly exit or allow unauthorized access to sensitive data.
Howto install KB2920732
To install KB2920732 manually, follow these detailed steps:
- Ensure your system is up-to-date with all previous security updates. This will help ensure compatibility and minimize potential conflicts.
- Navigate to the official Microsoft Update Catalog page or download center where you can find cumulative update packages for Windows 8.1 and Windows Server 2012 R2.
- Locate KB2920732 in the catalog, available as a standalone package or included within monthly security updates.
- Download the appropriate version of the update based on your system’s architecture (x86 for 32-bit systems and x64 for 64-bit systems).
- Create a backup of important files before proceeding with any major software installations, in case issues arise during or after installation.
- Close all applications running on your system to prevent conflicts that might occur while installing the update.
- Run the downloaded installer file. If you have multiple versions of the .NET Framework installed, ensure you download and install updates for each applicable version.
- Follow any prompts or instructions provided by the installation wizard to complete the process. Reboot your system as prompted to apply changes made during installation.
Similar questions
What is KB2920732 and how does it affect my computer’s performance?
Does installing KB2920732 require a system restart, and if so, how many times will I need to restart my computer during the update process?
Will updating with KB2920732 cause any data loss or require me to back up important files before proceeding?
How can I manually check if KB2920732 is installed on my Windows system?
Is there a list of known issues related to the installation of KB2920732 that I should be aware of?
After installing KB2920732, will all software applications continue to function as before or are there potential conflicts?
What steps can I take if my Windows system crashes after applying KB2920732 and how do I troubleshoot such issues?
How does KB2920732 impact network settings on a Windows machine? Will I need to adjust any configurations post-installation?
Are there specific hardware requirements needed for my computer to support the installation of KB2920732 without causing problems?
If I uninstall KB2920732, will it revert all changes made by this update or are there permanent alterations that cannot be undone?