How To Fix Unarc Dll Returned An Error Code 6 Fifa 13 Exclusive May 2026

The “unarc.dll returned an error code: -6” occurs during installation when the Unarc library (used to extract compressed installer archives) fails. For FIFA 13 Exclusive or similarly packaged PC installers, that failure typically means one or more of the following: corrupted archive files, insufficient disk space or permissions, problematic RAM or storage errors, conflicting antivirus, or an incompatible installer environment. Below is a concise, practical troubleshooting guide with examples and ordered steps to resolve it.

Error code -6 often occurs when the installer runs out of memory or tries to use too much RAM at once. The unarc.dll decompression engine can crash if memory allocation fails.

Here is how to force the installer to use less RAM: The “unarc

If no limiter is visible:

This prevents the installer from overwhelming your system. Check that box if available

Windows has a limit on how long a file path can be (260 characters). If you try to install the game into a deeply nested folder, the installer will fail when trying to create files with long names.

The Solution: Instead of installing to: C:\Program Files (x86)\Games\Sports\FIFA 13\... If no limiter is visible:

Change the path to something short, like: D:\FIFA13

Pro Tip: Try installing the game on a different drive (e.g., Drive D or E) if you have one available. This often bypasses permission issues associated with the main C: drive.

Before we jump into the solutions, it helps to understand why this happens. The unarc.dll file is a library used by third-party installers (like FreeArc) to unpack game files. Error Code 6 usually means:

Here is how to fix it, starting with the most effective method.