How to backup GT5 Save-Data?

Hi guys, I have been trying to backup my GT5 save-data (aka save-game) but every time I got to the Saved Data Utility (I think its called that) and try to copy it onto my memory stick it says that it is prohibited. I have been trying it for quite some time, even with another memory stick, but to no success.

Could someone please give me detailed instructions as to how I can correctly backup my save-data. Thanks in advance. :)👍

P.S. I have not updated my game at all. It is still running on the original version with absolutely no updates. :guilty:
 
I would just bring your ps3 to someone's place that has a decent internet connection and update the game that way. You have a friend who has internet and a ps3 who might let you use his/her internet connection for a while to update yours?
 
I feel like a complete dummy....I just lost all my game data Level 36 A-Spec Level 40 B-spec...I am crushed! I still have the trophies but no cars or licences. I thought (foolishly I admit) that the game data was with the trophies... My Fat60 smoked up burned up the mother board when power suppy failed in middle of a race the screen goes black wheel goes dead unrecoverable..so I bought a new 160 slim installed a fan control and installed my 500 GB drive and found out the bad news new system needs to reformat the drive and wipes out all data....Back it up online!!!
 
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