You can try to use the Google+ exporter without the Tor VPN in case you’re having trouble downloading Google+ posts.
This feature is available from version 1.8.1.
You should consider disabling use of Tor in case you are presented with this error:
To disable use of Tor VPN simply click the cog icon button.
Pick “Disable Tor” option and then restart the application.
Don’t forget to restart the application after you enable/disable Tor!