What happens?
When you click the Open or Save As button, nothing happens.
What to do?
1. Close the Promob;
2. Access Local Disk (C:)\ProgramData\Procad\Promob (Manufacturer's name).
NOTE: The ProgramData folder is a hidden folder, if it is not already displayed click here;
3. Locate and delete the file Preferences.preferences;
4. Open the Promob.