Hi Antonio,

Welcome to Box Community and glad to help! 

To help address your log in issue, you can run these troubleshooting steps. 

• Please ensure your web browser is the latest version of Chrome, Firefox, Safari, or Edge
  


• Try clearing your browser's cache. If this does not resolve your issue, please proceed to the next step.


• Verify that you are using one of our recommended operating systems.


• Please try different browsers, network connection or/and  machine. 


• 
  Temporarily disabling any internet security/firewall programs to test whether they conflict with Box (Note: you may need clearance or assistance from your organization’s IT department/helpdesk to do this)


• Temporarily disabling any plugins/extensions in your browser


• Restart your machine.

Hope it works!