When trying to download the Quickmap data, you may get this error:

Quickmap Data Setup Failed

Persistent transient error: The connection with the server was terminated abnormally
C:\Users\username\AppData\Local\Temp\Quickmap\QDataSetup.exe

This can be caused by something blocking the port(s) used to connect to the Quickmap server to download the data. This could be a local firewall on the PC, at the router or by the antivirus software.