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You receive an access violation error and the system may appear to ...
Symptoms. When you try to install an update from Windows Update or from Microsoft Update, you experience the following symptoms: The system may appear to become unresponsive when Windows Update scans for updates that use Windows Installer. You receive an access violation error in the Svchost.exe process.
Update.exe 所需的用户权限 - Microsoft 支持
有些 Microsoft 软件更新使用 Update.exe 作为安装程序。 Update.exe 5.4.1.0 版本和更高版本要求安装软件更新的用户为具有特定用户权限的管理员。 本文列出了这些用户权限要求。 如果用户在不具备所要求的用户权限的情况下尝试安装使用 Update.exe 的软件更新程序包,则他们可能会收到以下错误信息: You do not have permission to update <OS name>.Please contact your system administrator. 如果软件更新安装是通过指定 /quiet 或 /passive 命令行开关在无人参与模式下执行的,此错误信息将显示在安装日志中。