A crash during an update or a failed installation can leave the file missing or truncated. Corrupt Shared Components: Since this file is located in the C:\Program Files\Autodesk\AutoCAD 2023

acui24.dll 是 Autodesk 公司为 AutoCAD 2023 版本开发的一个动态链接库（Dynamic Link Library，简称 DLL）文件，是该软件用户界面（UI）系统中不可或缺的核心组件之一。文件名中的 acui 代表“AutoCAD User Interface”（AutoCAD 用户界面），而 24 则明确指向其所属的 AutoCAD 版本——2023 版（Autodesk 产品的版本号 24.0 对应 2023 版本）。它主要负责处理 AutoCAD 软件中的各种图形用户界面元素，例如菜单、工具栏、对话框以及其他需要与用户进行交互的视觉组件，是保障软件 GUI 正常运行的基石。

acui24.dll Is Missing from Your Computer. Try reinstalling the program to fix this problem.

ACUI24.DLL is a dynamic link library file that is part of the AutoCAD 2023 software. The file is responsible for providing the user interface components and functionality to the software. It is a critical file that is required for AutoCAD 2023 to function properly.

Your antivirus software might have mistakenly quarantined the file. Open your Antivirus/Windows Security. Check the or Threat History area.

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: AutoCAD fails to start, error "acui24.dll is missing"