Error 0x80070643 Solved: Update KB2959977 Released for Windows Users
KB2959977 is an important update from Microsoft that addresses several security vulnerabilities and improves the stability and performance of Windows systems. This cumulative update includes improvements to various components of Windows, such as Internet Explorer, EdgeHTML engine, Microsoft Graphics Component, and more, addressing issues related to information disclosure, elevation of privilege, denial of service, and spoofing.
It is particularly critical for users who operate in environments where security is paramount, as it enhances the overall security posture by patching known vulnerabilities that could be exploited by malicious actors. The update ensures a smoother user experience by resolving issues related to crashes or hangs, incorrect behavior, and performance degradation under certain conditions.
For organizations with an active Software Assurance (SA) plan, this update can be deployed through Windows Server Update Services (WSUS), System Center Configuration Manager (SCCM), Microsoft Update, or manually downloaded from the Microsoft Download Center for installation on individual systems. Administrators should carefully assess their environment and follow best practices to mitigate risks during deployment.
Update KB2959977 Fixes Error 0x80070643 and Enhances System Stability
KB2959977 resolves a variety of issues that affect multiple components in Windows operating systems. The update primarily addresses vulnerabilities related to Internet Explorer, the EdgeHTML rendering engine used by Microsoft Edge, and various other system components like Windows Media Player and Microsoft Graphics Component. These fixes are designed to mitigate risks associated with security flaws such as information disclosure, denial of service, elevation of privilege, and spoofing attacks.
Furthermore, KB2959977 includes non-security related improvements aimed at enhancing the stability and performance of affected systems. Some examples include fixing issues that cause applications or Windows Explorer to crash unexpectedly, resolving incorrect behavior when interacting with certain features like Task Scheduler and Control Panel, and improving compatibility for various third-party software solutions.
To ensure successful deployment and minimal disruption to normal operations, it is recommended to test the update in a controlled environment before rolling out across your entire network. Additionally, backing up important data prior to installation is advised as an additional precautionary measure.
Howto install KB2959977
- Download KB2959977 from Microsoft’s official website or through Windows Update.
- Create a backup of all essential files and folders before proceeding with the update process. This ensures you can restore your system if any unexpected issues arise during installation.
- If using WSUS, download the update to your local server and approve it for deployment within your organization’s network.
- For manual installations on individual machines, run the downloaded installer package (.exe) directly or through an elevated command prompt window to start the update process.
- In environments utilizing System Center Configuration Manager (SCCM), configure a new software distribution task that includes KB2959977 and deploy it according to your predefined rulesets and schedules.
- After initiating the installation, allow sufficient time for the system to download, install, and apply all necessary updates. Rebooting may be required once or multiple times depending on specific requirements outlined by Microsoft.
- Once the update completes successfully, perform basic tests such as launching common applications, checking online connectivity through browsers like Internet Explorer or Edge, and ensuring no unexpected crashes occur under regular usage scenarios.
Similar questions
What is KB2959977 and what issues does it fix?
How do I check if my Windows installation has already installed KB2959977?
Does installing KB2959977 require a system restart? If so, when should this be done?
Can you list any known compatibility issues with software or hardware after applying update KB2959977?
I’m worried about data loss. Can I perform a backup before installing KB2959977?
How can I download and install KB2959977 manually if my system doesn’t automatically check for updates?
After installing KB2959977, how do I verify that the update was applied successfully?
Are there any specific system requirements or prerequisites needed before installing KB2959977?
What should I do if I encounter errors during the installation of KB2959977?
Is it safe to uninstall KB2959977 if I experience issues after its installation?