Hi Senthil, 

Welcome to Box Community and glad to help! 

To clear your Box Drive's cache please log out and log in. 

To log out from Box Drive: 

1. Navigate to the search menu by going to the system tray and clicking the Box icon.
   
   • Alternatively you can use the keyboard shortcut Ctrl + Alt + Shift + B.
   
   


2. Click the gear icon, and from the list that displays click Log Out.

Hope it works! 

I logged out and in and it didn't work.

What else should I do?