Hi Solaris, 

Thanks for reaching out. We've got a conversation with troubleshooting resources on this post here related to this  topic. I'd suggest reviewing the suggestions and listing what you've tried. 

Here are some recent Sage 50 CA version 2020.2 related Sage City posts as well which you may also want to review:

• Asking for user name and password after sharing file to the cloud
• Sage 50 2020.2 update  - Sage Drive
• Remote Data Access Help!

Warm Regards, 

Erzsi

Still cannot open.