When starting AutoCAD® software or an AutoCAD-based product, the following error message is displayed on the command line:
Error: no function definition: ACET-STR-FORMAT
This error is linked to an unsuccessful installation of AutoCAD® Express Tools software.
To resolve the problem, use the following procedure to reinstall AutoCAD Express Tools:
- In Windows Control Panel, open Add/Remove Programs and remove Express Tools.
- In the AutoCAD root installation folder, delete the Express Tools subfolder.
- Remove Express Tools from the Recycle folder.
- Reboot the computer and reinstall AutoCAD Express Tools.
It is also helpful to shut down or disable other programs (especially virus scanners) during the installation.
Products: AutoCAD;AutoCAD LT