If CuteFTP Professional does not open new connections when you try to start new sessions, or if it does not let you browse while transferring files, you can force CuteFTP to open new connections.
Select the Site Manager tab.
Select a site in the Site Manager.
From the menu, choose File > Connection > Connect.
Repeat step 3 to create more connections to the same site.
Go to Tools > Global Options > Transfer.
Clear the Transfer files over the browse session check box.
Go to Tools > Global Options > Connection.
Make sure the value under Per site max connections/transfers value is greater than 1.