Below are the most common reasons for the unarc.dll error when using Dodi Repacks:

Switch to the tab in the new window and click Change... under Virtual memory .

The client will scan the downloaded files. If it finds missing or broken pieces, it will automatically redownload just those specific parts. 6. Run System File Checker (SFC) and DISM

: Booting Windows into Safe Mode kills unnecessary background processes and drivers, freeing up RAM and preventing software conflicts. Check System Memory : If the error persists, run a tool like Windows Memory Diagnostic

The system runs out of memory workspace required to unpack heavy archives.

: If the installer keeps failing at the exact same percentage, use your torrent client to "Force Recheck" the files to ensure nothing was corrupted during download. How To Fix ISDone dll Error While Installing Games

To resolve this, DODI and the wider repack community generally recommend the following steps: Disable Windows Defender/Antivirus