He created a shortcut to setup.exe, right-clicked → Properties → Target → added this at the end:
If you see Error -6 across multiple different installers, your RAM might be the problem. Search for and run it. Your PC will restart and check for hardware errors. isdonedll unarcdll error code 6 exclusive
tied to isdone.dll or unarc.dll typically appears when installing compressed games or large software packages. It means the installer/unpacker failed to extract or verify compressed data — generally due to corrupted archives, bad memory, disk I/O problems, or missing/corrupt system libraries. He created a shortcut to setup
: Uncheck "Automatically manage," select your C: drive, and set a Custom Size (usually 1.5x your actual RAM size). 2. Check Storage Space and Drive Health tied to isdone
Fix for: ISDone.dll / Unarc.dll Error Code 6 (Exclusive/Full Fix)