Modern repacks often require specific permissions to write deep into system directories. Right-click the setup.exe file. Select > Compatibility .
Sometimes the issue isn't the repack, but corrupted system files ( unarc.dll or isdone.dll ) on your OS. Open as Administrator. Type sfc /scannow and hit Enter. unarcdll error code 11 dodi repack updated
Most DODI installers have a checkbox at the start that says "Limit RAM usage to 2GB" . Even if you have 16GB or 32GB of RAM, check this box . it stabilizes the decompression process. Modern repacks often require specific permissions to write