Type the following command and press Enter: regsvr32 /u isdone.dll
Decompressing large modern archives requires massive amounts of temporary memory. If your system RAM fills up, Windows relies on Virtual Memory. If this limit is too low, the extraction fails.
The unarc.dll file works closely with isdone.dll . Both files manage the extraction of archived game data (like .rar , .zip , or .7z formats used in installers). When you see Error Code -6, it specifically points to a The root causes generally include: how to fix unarc dll returned an error code 6 fifa 13 link
Since error code -6 strongly suggests a corrupted archive, re-downloading the installer is the most direct fix. A single corrupted part in a split archive can cause the entire decompression to fail, so if the FIFA 13 installer you have is a repack split into multiple RAR or 7z parts, download every single part from the original source again. Try obtaining the installer files from a different, trusted source if possible. Before running the new installer, temporarily to prevent them from interfering during the installation process.
Set the to 4096 (4 GB) and the Maximum size to 8192 (8 GB) or higher depending on your available storage. Click Set , then OK , and restart your PC. 5. Re-register Unarc.dll and Isdone.dll Type the following command and press Enter: regsvr32
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Under the tab, click the Settings button inside the Performance box. The unarc
Decompressing high-ratio archives requires significant RAM. If your physical memory fills up during extraction, Windows must rely on Virtual Memory. If the Pagefile size is constrained, unarc.dll will crash instantly.
Set a for your C: drive (Initial: 4096 MB, Maximum: 8192 MB). 2. Disable Antivirus and Windows Defender
If the DLL is present but not recognized by the system, you need to manually register it. Open as Administrator. Type regsvr32 unarc.dll and press Enter. Type regsvr32 isdone.dll and press Enter. Technical Prevention