If you want to fix Launch Error (Code 2) in Skyrim: Together (Windows 10), try this;
- Go to Skyrim folder.
- Look for “st_loader.exe“.
- Rename it as “SkyrimSELauncher.exe” and save it.
- Open Steam client.
- Go to your game library.
- Launch Skyrim: Together.
Please let me know if this works for you so i can update it.