Nilo40, I suspect this is due to the Cyrillic characters in the file and folder names. Try
installing 7z and unpacking it with it, if you're using Windows, of course.
Or simply enable Russian (or Ucrainian, Belarussian, Bulgarian, Serbian, Macedonian etc) language support in the operating system you use.
Добавлено позже:The archive
IMBNES 1.3.2 (U) - 3640 NES roms for PlayStation [25.12.2015].7z itself is correct, I just checked it.