If you look at the MSDN site, there are a a couple of different ways to generate a UUID. I'm pretty sure it's not a bug in Windows but rather 4D calling a different function... :)
https://docs.microsoft.com/en-us/windows/desktop/api/rpcdce/nf-rpcdce-uuidcreatesequential https://docs.microsoft.com/en-us/windows/desktop/api/combaseapi/nf-combaseapi-cocreateguid I just looked at the source to the Win32API plug-in, and it's calling UuidCreate. 4D must be calling one of the other variations. https://github.com/OrchardSoftware/4D-Win32API/blob/master/Source%20Code/Visual%20C%2B%2B%20Project/4DPlugin.c (See line 1762) -- Jeffrey Kain jeffrey.k...@gmail.com > On Jul 7, 2018, at 1:16 PM, npdennis via 4D_Tech <4d_tech@lists.4d.com> wrote: > > If I use the same code on Windows 8 I get one that does not look like version > 4: > > 06CEFE7DB60C7847884A346274C254DB ********************************************************************** 4D Internet Users Group (4D iNUG) FAQ: http://lists.4d.com/faqnug.html Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:4d_tech-unsubscr...@lists.4d.com **********************************************************************