Hi Frederic, 

Welcome to the Box Community, I'm happy to help!

Can you confirm if your computer meets the prerequisites stated in this article to be able to install and run Box Sync:

• https://support.box.com/hc/en-us/articles/360043697194-Installing-Box-Sync

If you've made sure your device meets these requirements, please try to uninstall and reinstall Box sync app:

• https://support.box.com/hc/en-us/articles/360043697434-Uninstalling-Box-Sync-Manually

Let us know how it goes and if you have any questions!

Regards,

Hi France, 

I suddenly can't open Box Drive today. I tried to uninstall it but failed. It simply doesn't respond. I've followed your above instruction try to uninstall again but failed. Does it related to the bfd_main script? Any solution to get it to resume?