For 90% of users, running as admin fixes it. If not, the 4GB patch will. Leave a comment if you're still stuck."
: Try running the installer in compatibility mode. Right-click the installer, go to Properties, then Compatibility tab, and select a previous version of Windows (e.g., Windows 7) to run the installer in. how to fix unarc dll returned an error code 6 fifa 13 link
FIFA 13 is a 2012 game. Its installer tries to write to protected system folders (like C:\Program Files or C:\Windows\Temp ). Without admin rights, Windows blocks the write operation, triggering error -6. For 90% of users, running as admin fixes it