Arduino 1.6.5 - Problem with path in preferences

Hello,

We wanted to install the Arduino 1.6.5 on our computer images.
The driver and software are well installed but when you go in "preferences", we can see that the specified path for more préférences are based on the appdata of one of our enduser. It's always the same one for all our computers.

We searched where we could edit this to establish this path for the all users' appdata but didn't find how to do it.
We searched in this path, register, programdata and program files (x86).

Does anyone know where / how to solve this problem ?

Thank you for your support.

Kind Regards.

I wish there were an answer. The Arduino IDE was designed (copied from Processing) pretty much without considering mass installations on lab computers etc.