Hello,

I uninstalled my old 2016 SP1 Version and installed the new 2017 SP1 of Draftsight.

At the end of the installation I have to choose if I want the free version or the professional version. When I choose the free version I get the following Error when starting.

 "DraftSight Professional Serial Number is Invalid (0)"

I tried to change the registry regarding this post:

https://swym.3ds.com/#community:70/iquestions:33518

After this change I don`t get the message anymore but therefore DS terminates 2 seconds after the start.

Few years ago  I tried the limited time professional version. May be this causes the Trouble. How can I get DS running again ??

System is WIN 2007 64 bit