Oh oh !! I downloaded again with the same link and I have another file dated 19th November with 52 646 Ko in KryptonSuiteSource410.msi instead of 51 528 Ko the first time I downloaded the 18th.
You did some changes without to write on the forum.
Perhaps you are as me, with age, you begin to lost memory or it is your new assistant Billy who does the changes without to say you.
Now, all dlls are here and a ribbon in a simple form is OK but inside a panel it is not good.
Thanks to answer to my last question :
Do you know where and how in the code, the ribbon take the form tittlebar ?