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

How to fix “unarc.dll returned an error code: -6” — FIFA 13 (Exclusive release)

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.

Solution 7: Use a Different Repack or ISO

If you have tried all the above and still see "unarc.dll returned an error code -6", the FIFA 13 Exclusive repack you downloaded may be intrinsically broken. Some repack groups (e.g., RG Mechanics, FitGirl) have versions where the compression dictionary size mismatches older CPUs.

Alternative sources:

  • Download the FIFA 13 Reloaded ISO (3 DVDs) – Requires mounting but rarely gives error -6.
  • Look for a pre-installed version – Extract and play without installation.
  • Try FIFA 13 BlackBox repack – Known for stability with error -6.

When downloading alternatives, always use trusted uploaders and read comments to confirm no CRC errors.

6. Force Installer to Use Less RAM (If Repack Supports It)

Some repacks (FitGirl) offer a limiter to reduce RAM usage during decompression. How to fix “unarc

  • Run setup.exe with the -lowmemory parameter:
    Create a shortcut → right-click → Properties → Target → add -lowmemory at the end.
    Example:
    "D:\Games\FIFA 13 Exclusive\setup.exe" -lowmemory

Quick Fixes (Try in Order)

When to suspect piracy or patched releases

  • Many “Exclusive” or repack releases modify installers; these are more likely to have missing/corrupt parts or be blocked by AV. If you can, use an official distributor or a known good rip. If you must use a repack, prefer widely used repackers with good feedback and always scan files before running.

How to Fix "Unarc.dll Returned an Error Code 6" in FIFA 13

If you are trying to install FIFA 13 (often a "repack" or pirated version) and are suddenly stopped by the message "Unarc.dll returned an error code 6," you know how frustrating it can be. You waited for the download, and now the installation fails right at the finish line.

This error is specifically related to file decompression. It essentially means the installer is trying to unpack a large file but is running out of resources, encountering permission blocks, or dealing with corrupt data. Download the FIFA 13 Reloaded ISO (3 DVDs)

Don't worry—this is a common issue with a few reliable fixes. In this guide, we will walk you through how to solve Error Code 6 and get your game installed.

Solution 5: Increase Virtual Memory (Page File)

Error -6 can appear if Windows runs out of virtual memory during decompression. FIFA 13 Exclusive repacks sometimes need 6–8 GB of virtual memory. Then retry the FIFA 13 installation.

To increase it:

  1. Press Win + R, type sysdm.cpl, press Enter.
  2. Go to Advanced tab → Performance → Settings.
  3. Advanced tab → Virtual memory → Change.
  4. Uncheck Automatically manage.
  5. Select your fastest drive (SSD recommended).
  6. Choose Custom size:
    • Initial size: 8192 MB (8 GB)
    • Maximum size: 12288 MB (12 GB)
  7. Click Set → OK → Restart your PC.

Then retry the FIFA 13 installation.