Title: The Missing Piece
Marco had been excited all week to play FIFA 13. He downloaded the installer, launched it — and the setup crashed with a cold line: "unarc.dll returned an error code: 6." Frustrated but determined, he tracked down the problem like a detective.
Step 1 — Check the Installer and Source
Step 2 — Test the Archive
Step 3 — Run as Administrator and Disable Antivirus
Step 4 — Check Disk and RAM
Step 5 — Ensure Sufficient Disk Space and Path Lengths
Step 6 — Replace/Repair unarc.dll (only if archive is good)
sfc /scannow
Step 7 — Update Drivers and Libraries
Step 8 — Try a Different Extraction Method
Step 9 — Clean Install and Reattempt
Quick checklist (do these in order):
If you want, tell me whether your installer is an ISO, ZIP/RAR, or a repack, and what exact filename you have — I’ll give the next precise step.
"unarc.dll returned an error code 6" typically occurs when the installer is unable to read or decompress archive files during the installation of games like how to fix unarc dll returned an error code 6 fifa 13 link
. This is often caused by corrupted download files, insufficient storage, RAM issues, or file path problems Primary Fixes for Error Code 6
To resolve this error, follow these troubleshooting steps in order: Check File Paths for Special Characters
: Ensure the installation path and your Windows username do not contain non-English characters or symbols . If they do, move the installer to a simple path like C:\Games\FIFA13 Increase Virtual Memory (Page File) Advanced System Settings Performance Settings
Deselect "Automatically manage paging file size for all drives" Select your primary drive, choose Custom size , and set the Initial size to 100 MB and Maximum size to 3000 MB (or higher depending on your RAM) Disable Antivirus and UAC : Temporarily disable Windows Defender , third-party antivirus software, and User Account Control (UAC)
. Antivirus programs may incorrectly quarantine decompression components Microsoft Learn Clean Up Temporary Files
, and delete all files in the folder to clear potential conflicts during decompression Run as Administrator : Right-click the file and select Run as administrator to ensure the installer has the necessary permissions Advanced Troubleshooting
If the error persists, the issue may be deeper within your system's hardware or registry:
The unarc.dll error code 6 typically occurs during the installation of highly compressed game repacks (like
) when the installer fails to read or decompress the archive data. This error often points to issues with system memory (RAM), insufficient disk space, or corruption in the downloaded files. Common Causes & Fixes To resolve this issue, you can try the following methods:
| Error Scenario | Most Likely Fix |
|----------------|----------------|
| Error -6 at 65.4% exactly every time | Antivirus blocking a specific .big file – Method 2 |
| Error -6 at random percentages | RAM or pagefile issue – Method 3 or 5 |
| Error -6 after Windows update | Compatibility mode (Method 1) |
| Error -6 only on SSD but works on HDD | SSD driver or firmware – update storage drivers |
| Error -6 with “ISDone.dll” also mentioned | Run as admin + disable UAC temporarily |
Issue: unarc.dll returned an error code -6
Commonly occurs when: Installing or extracting a cracked/repacked FIFA 13 game (e.g., from FitGirl, RG Mechanics, etc.)
Meaning of error -6: Decompression failure — usually corrupted archive, insufficient RAM, or antivirus interference.
C:\Games\FIFA 13).The "Unarc.dll returned an error code -6" when installing FIFA 13 is almost always a download corruption issue. 9 out of 10 times, the "link" you used contained a broken .bin file.
Your best bet: Delete everything, find a new FIFA 13 repack from a trusted uploader with a working magnet link, and apply Steps 2, 3, and 4 simultaneously. Do not try to "repair" the corrupted file—redownload it. Title: The Missing Piece Marco had been excited
If you have followed this entire guide and still see the error, your RAM might be physically faulty. Run MemTest86 overnight. But for 99% of users, checking the "2GB RAM limit" box during the FIFA 13 setup will let you bypass the error and finally play the game.
Enjoy the pitch!
Unarc.dll error code 6 typically occurs during the installation of games like
when the decompression process fails, often due to insufficient system resources, corrupted archives, or permission conflicts. Microsoft Learn Immediate Fixes Run as Administrator : Right-click the game's installer (setup.exe) and select Run as administrator to bypass permission-related write errors. Disable Antivirus & UAC : Temporarily turn off your antivirus software and User Account Control (UAC)
during installation, as these can block the decompression of files. Check Disk Space
: Ensure you have enough free space on your drive for both the final game files and the temporary data created during decompression. Rename & Move Folders
: Avoid using non-English characters or symbols in the installation path. Move the setup files to a shorter path, such as directly to , to avoid path-length errors. System & Hardware Optimization Increase Virtual Memory (Page File) Advanced System Settings Performance Settings Virtual Memory
, uncheck "Automatically manage," and set a custom size (e.g., 20480 MB) on your fastest drive. Update Essential Runtimes : Install the DirectX End-User Runtimes Visual C++ Redistributable All-in-One
to ensure your system has the necessary libraries for unpacking. Limit CPU Usage
: High-performance processors can sometimes overheat or cause timing mismatches during high-speed decompression. Change your Power Plan to "Balanced". Advanced Options , temporarily limit the number of processors to 4 or 6. Advanced Troubleshooting Install in Safe Mode : Boot Windows into to run the installer with minimal background interference. Repair System Files Command Prompt (Admin) sfc /scannow followed by DISM.exe /Online /Cleanup-image /Restorehealth to fix potential OS-level corruption. Verify Integrity
: If you are using a repack, use the provided "Verify BIN files" tool to ensure the installer files aren't corrupted from the download. verify your RAM integrity to rule out hardware failure as the cause?
How to Fix "unarc.dll returned an error code -6" in FIFA 13 The "unarc.dll returned an error code -6" is a frequent headache when installing highly compressed games like FIFA 13 or various repacks. This error typically signals a failure in the decompression process, often caused by hardware limitations, corrupted archives, or software conflicts. Core Causes of Error Code -6
To fix the unarc.dll error code -6 while installing , you generally need to address issues related to file decompression, system permissions, or corrupted installation files. This error typically means the installer "unable to read data," often due to a mismatch between your system's resources and the decompression process. 🛠️ Step-by-Step Fixes Marco first verified the download: corrupted or incomplete
Fix: Unarc.dll Returned an Error Code 6 in If you're trying to install
and hitting the "Unarc.dll returned an error code 6" message, you aren't alone. This error typically signifies that an error occurred while unpacking an archive, often due to corrupted data, insufficient system resources, or interference from security software.
Follow these steps to resolve the issue and get back to the pitch. 1. Increase Virtual Memory (Page File)
The most common cause is the installer running out of memory while decompressing large game files. Open Advanced System Settings via the Windows search bar.
Under the Performance section, click Settings, then go to the Advanced tab. Click Change under Virtual Memory.
Uncheck "Automatically manage paging file size for all drives."
Select your C: drive, choose Custom size, and set the initial and maximum size (e.g., 8000 MB if you have 8GB of RAM). Click Set, then OK, and restart your PC. 2. Disable Antivirus and Windows Defender
Security software can mistakenly flag the decompression process as a threat, blocking the installer from writing files. Open Windows Security > Virus & threat protection.
Select Manage settings and temporarily toggle Real-time protection to Off.
Alternatively, add the game’s installation folder as an Exclusion to prevent future blocks. 3. Check Folder Names and Paths
Unarc.dll errors often occur if the installation path contains non-English characters, symbols, or is too long.
Ensure the installation folder and the setup folder names are short and contain only English letters.
Try moving the installer files directly to the root of your drive (e.g., C:\FIFA13_Setup) instead of deep subfolders.
Unarc.dll вернул код ошибки: что значит и как исправить
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