HMM..MM..M Yeah, Right! Fixed this and fixed that..... and left a few issues too!
I'm in the process of re-organising and Categorising WP's and data I've accumulated over years...
Because BaseCamp is a "Data Base driven" rather than a "Document Based" app, I've never actually fallen in love with BaseCamp as such and have always preferred to work on Mapsource, although certain functions and processes have gone array with the Garmin transition to BaseCamp. Unfortunately, some functions and transfers to and from the later models, such as the Nüvi 3590 and 3790 can only be done through BC.
OK! - This morning, I was completing a crispy fresh "Key Waypoints" list, ready to be sent to the units, when I noticed that Basecamp wanted to update. So, let it be done then!
When I tried to activate BC, it gave me some foul language:
and then
After many agonising and frustrated minutes and officially booking my honorary place in a very HOT after life, I uninstalled BC with an app called "Revo Uninstaller" on Moderate setting and re-installed 4.2.2, which worked perfectly until I did the update again....!
Eventually, after equally agonising minutes, and many, many reboots, I repeated the process one more time, re-installed 4.3.3 afresh.... then it worked