The (often accompanied by "Unarc.dll returned an error code: -1") is a common installation failure in Windows. It typically appears when you are trying to install large software packages, games, or repacked setups (e.g., from FitGirl, Razor1911, or other repackers).
Not enough space on the destination drive or the system drive (C:) for temporary files. isdone.dll error code -1
