Afaik its because your region is now set to North America. Not sure though.
I usen't have netflix in my menu and I'm irish. The RTE Player is gone and Netflix is there.
EDIT: Forgot the whole reason why I was replying to you. This is the wrong section
You could try going back to 3.55 OFW, followed by a Default Settings Restore or whatever its called. You'd lose your saved PSN accounts though (they wouldnt be deleted but you'd have to re-register them on the ps3 itself if you know what I mean. The users would be empty)
The following user thanked shaneod for this useful post:
Why are you making new threads for everything ... I told you the solution to this is your original thread here: You must login or register to view this content.
Anyway you need a english psn account logged in at least once more to bring it back.
this happend to me on rebug 2 make sure your on your original profile and your network settings are on np not sp-int then just go back wen u want to play online