Avogadro is an advanced molecular editor designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas. It offers flexible rendering and a powerful plugin architecture.
Your file import is broken on windows platform. Although windows file system is not case sensitive, your import filters are.
Gaussian formatted checkpoint files are .FChk by default. You must rename it to .fchk to get recognised by the Avogadro FCHK import filter. It even states FCHK in the import dialogue, but does only accept .fchk file extension. This is also true for the openbabel import filter, .LOG,.COM etc.(Gaussian default on windows) file extensions are not recognized.
Your file import is broken on windows platform. Although windows file system is not case sensitive, your import filters are. Gaussian formatted checkpoint files are .FChk by default. You must rename it to .fchk to get recognised by the Avogadro FCHK import filter. It even states FCHK in the import dialogue, but does only accept .fchk file extension. This is also true for the openbabel import filter, .LOG,.COM etc.(Gaussian default on windows) file extensions are not recognized.
Reported by: quantumatoms