If you replace the data.000 file in a save folder (ie move your file and extract the downloaded one from my game) and load that same save, everything about the character should change, including the location. Are you sure you reloaded the same save that you substituted the file in?
Did you exit the game to do the file swapping, or just alt-tab out? Alt-tabbing should be ok, but exiting would be more reliable. Also, you could try deleting all of the files in the '
..\Divine Divinity\Run\Dynamic' folder before starting the game again and reloading the save.
This folder is used as a cache for the game. Files are created / copied there from the save game folder when you load, and written / copied from that folder when you save a game. The files will be re-created as required the next time you start Divinity. If there was a corrupt file in that folder, deleting the files should fix the problem.
In this case, it is possible the game could have been pulling the old versions of the files from the cache, rather than loading the replaced or edited versions.
Your procedure for hex editing looks ok. If you re-open the data.000 file that you edited and check the coordinates, are they the new values for inside the guild? If not, maybe your hex editor isn't actually saving the changes for some reason.
When you edited the file, did at least the second byte of the values you relpaced look fairly similar to the new ones? If you are standing near the door, I'd expect the coordinates to be something like X = xx 1B (maybe 1A or 1C) ; Y = yy 8B (or 8A or 8C).
Check your PM (click '
My Home' in the top menu bar, then 'Received Private Messages').