Which you are using (Steam, Ubisoft Connect, or Disc)?
If the error persists after a clean reinstall, try these secondary steps: Ghost Recon Future Soldier Game Launcher Error Code 2
: Right-click the game executable or the Ubisoft Connect shortcut and select Run as Administrator to ensure it has proper file permissions. Which you are using (Steam, Ubisoft Connect, or Disc)
C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher (64-bit Windows) Which you are using (Steam
: Open regedit and delete the launcher keys found under HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Ubisoft\Launcher .
: This is a critical step often missed. Manually navigate to the following directories and delete any remaining "Ubisoft Game Launcher" folders: