Describes how to troubleshoot problems that occur when you install, uninstall, or upgrade a program on a Windows-based computer by using Windows Installer.

Summary. This update automatically applies Safe OS Dynamic Update ( KB5034232) to the Windows Recovery Environment (WinRE) on a running PC to address a security vulnerability that could allow attackers to bypass BitLocker encryption by using WinRE. For more information, see CVE-2024-20666.

Windows 11 Windows 10. To help protect your PC and keep it running smoothly, Microsoft recommends only installing apps from the Microsoft Store. You can choose where you can get apps from and if you want to see app recommendations when you try to install an app from outside of the Microsoft Store. Windows 11 Windows 10.

Security and Quality Rollup for .NET Framework 4.5.2 for Windows 7 SP1 and Windows Server 2008 R2 SP1 and Windows Server 2008 SP2 (KB4578955) - Microsoft Support.

Windows 11. In current Windows 11 builds, we'll automatically fix certain critical problems on your Windows device to keep it running smoothly. We’ll also recommend troubleshooting for other problems that aren’t critical to normal Windows operation but might impact your experience.

Security and Quality Rollup for .NET Framework 4.5.2 for Windows 7 SP1 and Windows Server 2008 R2 SP1 and Windows Server 2008 SP2 (KB4569780) - Microsoft Support.

Summary. This security update for the Microsoft .NET Framework resolves a security feature bypass vulnerability in which the .NET Framework (and the .NET Core) components don't completely validate certificates. To learn more about this vulnerability, see Microsoft Common Vulnerabilities and Exposures CVE-2017-0248.

Symptoms. When you install an update for the Microsoft .NET Framework 4, the Native Image Generator (NGen.exe) uses a high percentage of the CPU cycles on the computer for a long time.

Ultimate. Summary. Security improvements. There are no new security improvements in this release. This update is cumulative and contains all previously released security improvements. Quality and reliability improvements. Addresses an issue that could prevent installation of Extended Security Updates for .NET Framework on Azure VMs.

Summary. This security update resolves a vulnerability in the Microsoft .NET Framework that could allow remote code execution when Microsoft .NET Framework processes untrusted input. An attacker who successfully exploits this vulnerability by using the .NET Framework could take control of an affected system.