Unable to validate serial number - Lightroom 6.14 I'm in the process of upgrading from MacOS Mojave to Maverek, but before doing so I wanted to create a virtual machine (running Mojave) to have continued access to the Lightroom catalog I have (just over 100,000 images). I created the virtual machine, installed CS6 (Photoshop) and went to install Lightroom 6. I was advised mine was an upgrade and it could not find a previous version. I installed Lightroom 5 - everything went fine, and then proceeded to install Lightroom 6. With Lightroom 6, I get stuck at: Serial Number Validation Please connect to the internet to validate your serial number.When I start Lightroom I get: Sign In Required: this works fine.Next: Access License Agreement: OKNext: Serial Number Validation: never able to validate?? I checked access to the activatin servers and everything checks out, but I cannot get passed the Serial Number Validation screen. Careeese said: in terms of activation number you're