The Windows Registry stores the exact location and version of acui24.dll . If registry entries are orphaned or corrupted (often due to incomplete uninstalls of older AutoCAD versions), AutoCAD 2023 cannot locate the file.
The most reliable way to restore missing internal components is through the Autodesk Maintenance Mode : Open the > Programs and Features . Select AutoCAD 2023 from the list. Click Uninstall/Change , then select Repair or Reinstall . Choose Reinstall to ensure all core files are replaced. 2. Restore from Quarantine autocad 2023 acui24.dll
corresponds to the internal versioning for the 2021–2023 release cycle (AutoCAD 2023 uses the R24.2 engine). It handles the visual elements you interact with daily, such as: Toolbars and ribbon menus. Dialog boxes and palettes. Workspace switching and UI customization. Common Causes of Errors The Windows Registry stores the exact location and
Right-click the AutoCAD shortcut > Properties > Compatibility > Check Run this program as an administrator . Select AutoCAD 2023 from the list
After reinstalling these runtimes, reboot and re-register acui24.dll .
“acui24.dll is missing,” “acui24.dll not found.”