Error: Failed to Load Custom File – acad.cui Not Found

Solution

Follow these steps to resolve the issue where AutoCAD fails to load custom files because acad.cui is not found:

1. Use DeepUninstaller to uninstall software
2. Uninstall the problematic AutoCAD version using the deepuninstaller tool.
3. Restart your computer.
4. Perform a clean reinstallation of AutoCAD.