Unarc.dll Returned An Error Code 11 Windows 11 -

Search for in Windows and open it.

Large repacks (50GB+) often require more "page file" space than Windows automatically allocates. unarc.dll returned an error code 11 windows 11

Go to the tab and click Change under Virtual Memory. Uncheck "Automatically manage paging file size". Search for in Windows and open it

Antivirus programs may mistakenly block the writing of extracted files. unarc.dll returned an error code 11 windows 11

The error on Windows 11 typically occurs during the installation of large applications or games. It signals that the system's decompression engine (FreeARC) is unable to write data to the disk or that the archive itself is perceived as corrupt. Common Causes of Error Code 11