BIM Software Tips: Resolving the “Unable to Load acetutil.arx” Error in AutoCAD Express Tools
Issue:
This error occurs when Express Tools are incompatible with the installed version of AutoCAD or if they are not installed properly.
Solution:
Follow these steps to troubleshoot and resolve the problem:
1. In AutoCAD, type _CUILOAD in the command line. Verify that EXPRESS appears in the list of loaded tools.
2. Navigate to the Express folder (for example, C:Program FilesAutodeskAutoCAD 2015Express) and delete any existing files.
3. Open the Windows Start menu and go to Programs and Features.
4. Locate your AutoCAD installation and select Uninstall/Change.
5. Choose Add or Remove Features, then click Next twice.
6. From the list of features, select Express Tools and complete the installation process.














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