What it fixes. The troubleshooter helps fix problems that: Corrupt registry keys on 64-bit operating systems. Corrupt registry keys that control the update data. Prevent new programs from being installed. Prevent existing programs from being completely uninstalled or updated.

Summary. Security updates released on and after July 6, 2021 contain protections for a remote code execution vulnerability in the Windows Print Spooler service (spoolsv.exe) known as “PrintNightmare”, documented in CVE-2021-34527.

Resolution. We recommend that you install Windows security updates released on or after August 8, 2023 to address the vulnerability associated with CVE-2023-32019. The Windows security updates released on or after August 8, 2023 have the resolution enabled by default.

Most apps (and other programs, like games or utilities) that were created for earlier versions of Windows will work in the most recent versions of Windows 10 and Windows 11, but some older ones might run poorly or not at all. Here are some ways to fix common issues with older programs.

Fixes an issue in which BITS peer caching does not work in a domain environment. This issue occurs in Windows Vista or in Windows Server 2008 when a disjoint namespace exists in the domain.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Regsvr32 is a command-line utility to register and unregister OLE controls, such as DLLs and ActiveX controls in the Windows Registry. Regsvr32.exe is installed in the %systemroot%\System32 folder in Windows XP and later versions of Windows.

The /INTEGRITYCHECK linker option provides Windows kernel digital signature verification for user mode Portable Executables (PE) files. This linker option is required for anti-malware and anti-cheat scenarios to register components with the Windows Security Center.

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

For example, after you install an update for an x86-based application, the x64 Visual C++ 2013 runtime libraries are missing. This fix makes sure that both versions of the Visual C++ redistributable are visible when you add or remove programs after installation of the update.