Autocad 2023 Acui24dll Verified May 2026

The acui24.dll file is a core component of the AutoCAD 2023 user interface (UI) library. In a standard installation, this file handles critical functions related to the visual workspace, including menus, toolbars, and dialog boxes. When this file is missing or corrupted, the application usually fails to launch, displaying an "Entry Point Not Found" or "DLL Missing" error.

Conclusion

Troubleshooting ACUI24.DLL Issues

• Use Windows Explorer → Properties → Digital Signatures, or:

  signtool verify /pa "C:\...\acui24.dll"
  

• Valid signature from Autodesk indicates publisher authenticity; invalid/absent signature is suspicious.