I have the same issues you have as well, it basically does its own thing each time I start it up. It says things are missing or corrupted, now what I found works is install the old launcher, then Copy some of those files over to the new launcher that your having issues with and it will bypass everything and work. You've just got to play Dr. Frankenstein with the new launcher, it doesn't matter how many times you uninstall the thing and clean your registry files, or even place it on another drive. It just doesn't work right for some people.
Then you get to the point of frustration, but Just play Dr. Frankenstein with the thing and I'm sure you will get it to work. I know they spent a lot of time on the new launcher but the old launcher worked no matter what. There was never an issue with the old launcher regardless if it was harder for them to update the game or not. It was a solid working launcher, old is good and It works. Mine right now is constantly trying to download the sound.pak, and a month ago it said terrain.pak, It's something different each month and cycles through the same files over and over and never fixes or replaces them. Then it says it can't connect to Pegasus, it just it times out.
Then you take down your "security" like firewalls and uninstall AVG and all that good stuff, it will still do the same thing. I don't know if you have the same bug I do but I have three copies of the Neocron icon on my launcher (
what do you mean?) and its only installed in one place (
humm that is strange). I constantly sit on updating image for hours, I could go to sleep right now and it will still be stuck there, what would truly fix this issue is if they made it so the new launcher was an option and not a mandatory thing, Problem solved. Not everything is about looks its about working code that communicates correctly, but with that said mines working now. As messed up as it looks its working, just copy and paste the files it thinks are bad or can't download my friend.
With that said I'm not even going to ask for a SLI profile for this game, that would be too amazing! But I bet there is a way to rig it, I may try to figure that out.