This one is for those who are facing problems like me and getting no response>>>
01) Install Addon In Firefox Called Cookie Manager
02) Login To Your Filesonic Premium Account
03) On Tools>Cookie Manager>Search> Type- Filesonic.com
04) Copy The "PHPSESSID" Cookie Value, It Will Be Like This: "324jh3j4h34j3h4j3434jh" Copy It
05) Go To Uploaded.to Remote Uplaod>Domain profiles>Create>Predefined Profiles>Choose Filesonic>Proceed>Paste The Cookie Code
06) Then Press Save
07) You're Done
08) Thank You
PS: The Best Way To Learn Is By Learn Yourself