ISDone.dll Error and Setup Closure During Forza Horizon 5 Installation
: Real-time protection may block the decompression process or delete a modified DLL file it perceives as a threat. ISDone
Many users see a large file (like setup-1.bin ) and assume it is a FreeArc archive because it is huge. However, modern installers use different formats. ISDone
Most modern installers use custom scripts to unpack data. Windows Defender or third-party antivirus software often sees this aggressive file creation as a "Heuristic Virus." ISDone