or ) that use the FreeArc compression format . It indicates that the decompression library ( unarc.dll ) either cannot read the archive or believes it is damaged . Immediate Solutions
Using an old version of WinRAR, 7-Zip, or the FreeArc utility itself can cause compatibility issues with newer compression algorithms. Step-by-Step Solutions to Fix the Error
The error is because FreeArc is less common than ZIP/RAR. If you encounter it with a downloaded file, don’t assume the link is broken — first verify the file’s true format. Most often, the issue is simply that the file is not a FreeArc archive at all, or the download was interrupted.
Use a tool like file (Linux/macOS) or / DROID (Windows) to see the real format.
Did you download the archive as or in multiple split parts ? or ) that use the FreeArc compression format
: If you used a torrent client, right-click the download task and select Force Recheck . This scans the local blocks against the cloud manifest, finding and re-downloading any broken blocks.
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If you used a specific file hoster (like Qiwi or Mega), try downloading the repack files via the Torrent magnet link instead, or use a different file locker mirror.
Create a clean folder directly on the root of your drive (e.g., C:\Games ) and point the installer there. 6. Clear Windows Temporary Files Step-by-Step Solutions to Fix the Error The error
Unarc.dll вернул код ошибки: что значит и как исправить
Older versions of extraction software may lack the updated decompression algorithms required to read modern, highly compressed FreeArc formats.
This error message ( This is not FreeArc archive or this archive is corrupt ) is very common when downloading large game files, mods, or software repacks. It specifically comes from the compression software.
Uncheck "Automatically manage paging file size for all drives." Use a tool like file (Linux/macOS) or /
Before diving into fixes, it helps to know the culprit. This error usually triggers for one of three reasons:
Follow these proven troubleshooting steps in order to resolve the error and complete your software installation. 1. Limit RAM Consumption in the Installer
The link worked, but the delivered file was either: