I've done everything. I'd show screenies of the entire process I go through except the board won't let me post images. I've turned off every antivirus setting including real time protection.
I even turn off the firewall.
When I try and activate online I get the message:

Error12: Internal server error. Please exit the installer, restart your computer and try again. If the error persists Captain Sim server might be experiencing technical difficulties...etc.
If the error persists please try the following...and then it gives the options to try again or try a manual offline activation.
When I try a manual offline activation using the generated 'code_l111' file and enter it it returns me to the same screen but with a red 'Error#' message at the top....with no number after it.
If I'm doing anything incorrectly I sure can't figure out what it is.

Rgds:  Jeff