Run the installer as Administrator
Before diving into deep troubleshooting, try these "low-hanging fruit" solutions: unarcdll error code 14 fitgirl
While Error Code 14 is usually a writing error, it can occasionally be caused by a corrupt archive header. If you used a download manager and it "completed" the file but skipped a few kilobytes due to connection drops, the installer will fail. Run the installer as Administrator Before diving into
If all else fails, the original file host might have distributed a bad archive. If you used a direct download (OneDrive, Google Drive, Mega), try downloading the repack via a instead. Torrents have built-in error checking that direct downloads lack. If you used a direct download (OneDrive, Google
This distinguishes it from Error Code 1 (which usually implies the archive is broken). Error Code 14 implies a on your PC preventing the writing of files.
If the installer keeps failing, manually extract the repack: