The Unarc.dll error is rare on Windows 7. Modern Windows 10/11 has stricter memory management.
FIFA 13 is an older game (2012). Many "links" available today are hosted on unstable file-sharing servers. A single corrupted byte in a 6GB+ archive will trigger error -6. how to fix unarc dll returned an error code 6 fifa 13 link
"Getting Unarc.dll error code -6 in FIFA 13? Don't redownload. Here's the fix: The Unarc
: 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. go to Properties