Hi ​@Fabio, 

Welcome to Box Community, and we’ll assist with your Box Drive launch error. 

You can follow this troubleshooting guide to address your error launching Box Drive. 

 To manually reset Box Drive on a Mac 

1. Quit Box Drive if it is running.
2. Download and open the Box Reset Tool zip file.
3. Open the Box Reset Tool from the Downloads folder.
4. Click Reset. 
   • You should see a prompt stating “Box Drive reset successfully”.
     
5. Open Box from your application folder and log back in. 

Note: The Box Reset Tool will write logs of actions performed to your Desktop folder under “Box-ResetTool-logs_(<current day>)”.

Once you restart Box Drive, you can review any archived unsynced files and either upload them manually or delete them to free up hard drive space.

If the error persist, please uninstall and reinstall the Box Drive application. 

In order utilize a fully functioning Box desktop application, here’s a few reminders: 

• Ensure you’re running the supported Operating System. 
• It’s also important that you’re using the latest Box Drive version that’ll fix all bugs and errors. 
• See if your firewall is configured accordingly. 

Hope it works, and we look forward in getting this sorted out very soon!