Summary
Probable causes
Preparatory checks (quick)
Step-by-step fixes (ordered, try each until resolved)
Useful commands (run as Administrator)
Short troubleshooting checklist (quick run)
When to seek hardware replacement
If you want, I can provide a concise command sequence for Windows to run the key checks (chkdsk, sfc, Memory Diagnostic) or suggest exact Visual C++/DirectX downloads.
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The unarc.dll error code 6 typically occurs during the installation of compressed game files, like those for FIFA 13, when the decompression process fails due to memory limitations, file corruption, or system conflicts. The most effective solutions involve freeing up system resources, adjusting virtual memory, or ensuring the installation path is simplified. Primary Solutions to Fix Error Code 6
Increase Virtual Memory (Paging File): This is often the most successful fix as error code 6 is frequently linked to a lack of available memory for decompression.
Open System Properties by typing sysdm.cpl in the Run dialog (
Go to the Advanced tab and click Settings under Performance. Summary
In the Advanced tab of Performance Options, click Change under Virtual Memory.
Uncheck "Automatically manage paging file size," select your C: drive, and choose Custom size. Set the initial and maximum size to 1638416384 MB (for 16GB of virtual RAM).
Simplify the Installation Path: Move your installation files to the root directory (e.g., C:\FIFA13). Long file paths or folders containing non-English characters or symbols often trigger decompression errors.
Disable Antivirus and Real-Time Protection: Security software, such as Windows Defender, can mistakenly block the unarc.dll process during decompression.
Run as Administrator: Ensure the installer is launched with administrative privileges to avoid permission-related blocks during the unpacking process. Advanced Troubleshooting Steps
Unarc.dll error code 6 installation typically indicates that the installer is unable to read or decompress the required data
. This is often caused by corrupted installation files, insufficient memory (RAM or Virtual Memory), or system permissions blocking the unpacking process. Microsoft Learn Follow these steps to resolve the issue: 1. Increase Virtual Memory (Paging File)
Lack of available memory often causes decompression to fail. View advanced system settings from your Start menu. tab, click Performance tab again and click Virtual memory Automatically manage paging file size for all drives Select your primary drive (usually C:), choose Custom size , and set the Initial size Maximum size 2. Clear Temporary Files
Corrupted data in your temporary folders can interfere with the installation. Microsoft Learn Windows Key + R , and hit Enter. Select all files and them (skip any files that are currently in use). 3. Disable Security Software
Antivirus programs or Windows Defender may block the decompression of game archives, misidentifying them as threats. Microsoft Learn Fifa 13 Fatal Error Rld.dll - Google Groups
Fixing the Unarc.dll Error Code 6 in usually boils down to a failure in the decompression process during installation. This specific code often indicates that the archive is either corrupted or the system lacks the resources/permissions to unpack it correctly . The "Direct Fix" Checklist Try these common solutions first to get your game running:
Increase Virtual Memory (Page File): 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 . Probable causes
Install "Visual C++ Redistributable" Packages: Missing or outdated runtimes are a frequent culprit. Download the complete MultiPack Visual-C++ to ensure all versions (2005–2022) are installed .
Run as Administrator: Right-click the installer and select "Run as administrator". This grants the program full permission to write files to your drive .
Disable Antivirus & UAC: Security software often flags decompression as suspicious activity. Temporarily disable your Antivirus and User Account Control (UAC) before starting the installation . Exclusive Troubleshooting for FIFA 13
If the basic steps don't work, these more targeted tactics have proven successful for older game repacks:
Limit RAM Usage: Many installers for games like FIFA 13 have a checkbox to "Limit installer to 2GB RAM usage." Checking this prevents the installer from hitting memory limits that trigger the Error 6 .
Short Pathing: Rename your installation folder to something short and simple (e.g., C:\Games\FIFA13). Avoid using spaces or special characters in the folder name, as old decompressors can struggle with complex file paths .
Throttling Your CPU: Modern multi-core processors can sometimes "outrun" older decompression algorithms. You can try setting your Processor Power Management to 99% in Windows Power Options or use Task Manager to set the installer's affinity to fewer cores .
Safe Mode Install: If a background process is interfering, restart Windows in Safe Mode and run the installer from there . Hardware Check
If the error persists across multiple games, it may be a hardware issue:
Disable RAM Overclocking: If you have XMP or custom overclocks enabled in your BIOS, disable them. Unstable RAM timings are a leading cause of checksum and decompression errors .
Check for Disk Errors: Run sfc /scannow in an elevated Command Prompt to repair system files, or use Disk Cleanup to remove temporary junk that might be clogging the process .
The unarc.dll error code 6 typically occurs during the installation of Preparatory checks (quick)
because the installer cannot read or decompress the required data. This is often due to corrupted game files, insufficient storage, or system conflicts like interference from antivirus software. Essential Fixes for FIFA 13
Run as Administrator: Right-click the setup.exe and select Run as administrator to ensure it has the necessary permissions to write files.
Disable Antivirus and UAC: Temporarily turn off your antivirus software and User Account Control (UAC), as they may block the decompression process.
Use English Characters in Paths: Ensure the installation folder and all parent directories use only English characters. Non-English or special characters in the file path can cause unarc.dll to fail. Increase Virtual Memory: Search for View advanced system settings in the Start menu. Under Performance, click Settings > Advanced > Change. Uncheck "Automatically manage paging file size."
Set a Custom size with the initial and maximum size at least equal to your total RAM (e.g., 8000 MB for 8 GB).
Install in Safe Mode: Restart your PC in Safe Mode and run the installer again to minimize background application interference. Additional System Repairs
Update Visual C++ Redistributables: Install the latest Microsoft Visual C++ Redistributable packages (both x86 and x64), as missing libraries frequently cause DLL errors.
Clean Temporary Files: Use the Disk Cleanup utility to delete junk and temporary files that might be clogging the installation process.
System File Scan: Open Command Prompt as an administrator and run sfc /scannow followed by DISM.exe /Online /Cleanup-image /Restorehealth to repair corrupted Windows system files.
Unarc.dll вернул код ошибки: что значит и как исправить
| Cause | Solution |
|-------------------------------|-----------------------------------------------|
| Corrupted .bin file | Re-download + verify hashes |
| Antivirus interference | Disable real-time protection |
| Low virtual memory | Increase pagefile size |
| RAM exhaustion during install | Use -lowmemory flag or install in Safe Mode |
| Permission issue | Run as administrator |
Antivirus software may block the decompression of certain files it deems suspicious (false positives), causing the installer to fail with error 6.