Hi Pilou,

re:
> when you return to Moi from or after use of the Node editor
> size of the File Menus of the bottom barr are reduced!!!
>
> And never come back normal before a close pf Node Editor!

Hmm, that's not happening to me over here. Does your file menu also appear some distance above the File button too?

Can you please post a .zip file of your node editor so I can test with your same one over here?

Thanks, - Michael