The error "It is not found any file specified for ISArcExtract" almost always means that the game's setup files are missing, corrupted, or blocked by security software.
Some older versions of this DLL have been exploited by malware. Additionally, some aggressive antivirus heuristics flag any "extract" DLLs as potentially dangerous. Submit the file to your antivirus vendor for analysis. isarcextractdll file download new
If a specific program (e.g., “Game X” or “Software Y”) is throwing the error: The error "It is not found any file