Hi ​@asaka, 

Welcome to Box Community, and we’re pleased to assist with your login error. 

First, we have a few questions for you in regards to your login error.   

• We’d like to obtain a screenshot of your error, please attach your screenshot in this thread. 
• Please make sure that you’re logging in using this Box login URL.  

In the meantime, you can follow these preliminary troubleshooting steps to resolve your login error. 

• Make sure that you’re typing in the correct email and password. 
  • If unsure with your current password, please feel free to do a password reset. 
• Try different browsers, network and machine. 
• Clear your browser’s cache and cookies, then please try again. 
• Check if you’re using the supported browser and Operating System to access the Box web-app.
• 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. 

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