I wiped my hard drive and reinstalled PM (v5.0, build 16960 (6a2289)) on my late 2009 iMac running OS 10.11.2. Now I'm unable to upload photos from PM to my Flickr account. When I attempt to create a new connection by clicking New in the Flickr Uploader Connection Settings window, nothing happens. I've de-authorized and reauthorized permission for PM on my Flickr account to no avail. I tried substituting a Flickr template that was offered back in 2014 on this forum, but that didn't work. I tried re-installing PM on my iMac (without removing any files first), but that didn't help, either. Any ideas? The frustrating part is that the PM installation on my Macbook Air uploads to my Flickr account with no problem. Many thanks.