Are you always saving in the Dropbox? Can you change to a "normal" folder on your drive, e.g. under My Documents?

Try running CC3+ "as admin" by right-clicking the desktop shortcut and under Properties set it to "always run as administrator". Any change?

You can also use the Symbols > Scale Symbols in Map command from the menu to scale symbols centered around their point of origin, if you don't want to affect their default size.

Thanks for flagging this up., Chrome recently changed their policy and it now automatically blocks download links to a http address if you are coming from an https site. We already updated the links on the registration page, but not here on the public Annual page. I've done so now and the link should work on Chrome again now.

Hi Brian! Please try to run CC3+ once by right-clicking the the desktop shortcut and using "Run as Administrator" to execute it. Then close it down and try the add-on setups. Do they then work?

If not, please send in a support request from your registration page and we'll sort it out through tech support.

It seems to happen because you current layer is the MERGE layer. Simply switching to another layer fixes it for me. Don't use the MERGE layer for your drawing, it's used for all kinds of internal stuff in CC3+.