Isdone.dll — Unarc.dll Error Code 6

The error isdone.dll or unarc.dll with typically occurs when trying to install a large game or software (often a repack from groups like FitGirl, DODI, etc.). It means the data decompression failed .

DISM /Online /Cleanup-Image /RestoreHealth If any installer .bin file is over 4GB and you're on an FAT32 drive (unlikely on modern PCs, but possible for USB drives), convert to NTFS: isdone.dll unarc.dll error code 6

sfc /scannow Then:

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