So yeah, the problem was the folder. I supossed that wasn't the problem because I was using the launcher as administrator, but I guess that wasn't enough.
Thanks for the help.

I installed Enderal in a clean Skyrim. The launcher won't work and I can't find a reason or a solution anywhere. When I press launch enderal, it says that the game needs an update. The updater says that is up to date. When I press to see the Data Files, it doesn't show any file. I am unable to see w...