A common cause of decompression errors is a cluttered temporary directory. Clearing these files ensures the installer has a clean workspace. Windows Key + R , and press
Check the file size against the source. If any bytes are missing, delete the files, clear your browser cache, and re-download the installer using a stable internet connection. 4. Test and Check Your RAM
Error code 6 often occurs when your system runs out of physical RAM during heavy decompression. Increasing your virtual memory gives Windows more breathing room.
Delete all files and folders in this directory. If some are in use, select Repeat this process for the folders (found by typing 2. Increase Virtual Memory (Paging File) A common cause of decompression errors is a
The unarc.dll returned an error code -6 in FIFA 13 Exclusive is almost always solvable. In 90% of cases, disabling antivirus and limiting RAM usage eliminates the error instantly. For the remaining 10%, manually extracting with 7-Zip or switching to a different repack will get you playing again.
Error code with unarc.dll means the installer cannot read the compressed data correctly . Do not blame FIFA 13 – the game itself is fine. Focus on re-downloading and turning off security software during installation.
If you downloaded a digital copy, a single lost packet during download can corrupt the compressed archive. Delete your current installer and download it again. If any bytes are missing, delete the files,
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.
The anticipation of lacing up virtual boots for a match in FIFA 13 can be swiftly dampened by a cryptic error message: “unarc.dll returned an error code -6.” For many gamers revisiting this classic title or installing it from unofficial archives, this error is a notorious roadblock. It signals a failure during the decompression phase of installation, where the setup program cannot correctly unpack the game’s essential files. While alarming, this error is not a death knell for your game. Understanding its root cause—almost always a corrupted download, flawed extraction process, or interference from security software—provides a clear, methodical path to a solution. Fixing error code -6 requires a systematic approach: verifying file integrity, adjusting antivirus settings, and ensuring proper extraction protocols.
If your RAM is overloaded, the decompression will crash. Manually set your page file size to at least 8000 MB (for 8GB RAM) or higher in System Properties > Advanced > Performance Settings > Virtual Memory . Increasing your virtual memory gives Windows more breathing
How to Fix Unarc.dll Returned an Error Code 6 - FIFA 13 Exclusive
The "unarc.dll returned an error code 6" error typically occurs during the installation of FIFA 13 (often with repacks like FitGirl or DODI) when the installer fails to read or decompress archive data. This "exclusive" fix guide outlines the most effective steps to resolve this, ranging from simple folder adjustments to hardware stability tweaks. 1. Optimize Installation Path and Permissions
'unarc.dll Returned an Error Code' in Windows 10/11 [Solution]
: Some older installers struggle with modern high-core CPUs. You can limit the installer to 2–4 cores via Task Manager by right-clicking the setup process and selecting Set Affinity .