1. Uninstall nanoCAD from your PC.
2. Delete the following folders:
- nanoCAD x.x folder from the c:\Program Files\Nanosoft AS\
- nanoCAD x.x folder from the c:\ProgramData\Nanosoft AS\ (note that ProgramData in hidden by default in Windows)
- nanoCAD x.x folder from the c:\Users\UserName\AppData\Roaming\Nanosoft AS\ folder.