Windows Defender sometimes quarantines Gaussian’s MPI executables. Create an exclusion folder (e.g., C:\G16).
Students, faculty, and researchers at educational or research institutions might have access to Gaussian through: download+gaussian+16+windows+new
Windows Defender may flag some of the Cygwin binaries. Create an exclusion folder: C:\Gaussian16. Then disable real-time protection just during installation. C:\G16 ).
Students