@Anonymous
Welcome to the Autodesk User's Community..
This is an English speaking forum and when your posting is translated this is what we see
can't open program without serial number
Are you stating a fact or are you having an issue. Not enough info here..
Mark Lancaster
& Autodesk Services MarketPlace Provider
Autodesk Inventor Certified Professional & not an Autodesk Employee
Likes is much appreciated if the information I have shared is helpful to you and/or others
Did this resolve your issue? Please accept it "As a Solution" so others may benefit from it.