I fixed this by going thru steps to install Tribler update which gave me option to over-ride Smartscreen. This was just before instruction to uninstall old (present) install 7.8.0 I then cancelled new install process and download works fine again.
I fixed this by going thru steps to install Tribler update which gave me option to over-ride Smartscreen. This was just before instruction to uninstall old (present) install 7.8.0 I then cancelled new install process and download works fine again.