You have a lot of different threads going and they all seem related to you not understanding how the file structure works.
First of all I would forget about using the inbuilt memory (project) and start with a USB stick as described in the other thread.
Think of a Project as a Folder. You might have one called Mine.project with all your stuff in it and you might have another called wifeys.project with all her stuff in it. That's all a project is, a way to store all the elements of the keyboard in one place.
If we was using the scenario above you would create 2 projects on your usb stick with them names. When you load mine.project you can store whatever you have changed (song, studio set etc) at anytime by pressing the write button next to the wheel. YOU DO NOT RESAVE THE PROJECT ONCE CREATED, YOU JUST USE THE WRITE BUTTON AND SELECT WHAT YOU WANT SAVED.
Then if you wanted to do something in wifeys.project you would load that and do the same as above.
The last Project you worked on will always be loaded by default when the machine is switched on (unless you take your USB stick out and then it will default to the internal project.)
Whine whine everywhere and not a drop to drink
