I suspect that whatever you were downloading with tried to automatically open the iso file with some kind of write-image-to-disk app, which would require root privileges.
Bye, Andreas Am 9. August 2019 09:08:34 MESZ schrieb Rick <mt.osm...@bigpond.com>: >Dear Debian Admin, > >when I tried to download Debian 10.0.0 via Distrowatch I was surprised >to be asked for my admin password at the end of the download plus there > >was another window requesting something else. I cancelled them both and > >could not find the downloaded file. > >I initially contacted Distrowatch who suggested I send it on to >debian-...@lists.debian.org who suggested it is more appropriate to >send >it on to you. I hope this has found the right place this time. > >The original download link from Distrowatch was: > >(1) >/https://cdimage.debian.org/debian-cd/10.0.0-live/amd64/iso-hybrid/debian-live-10.0.0-amd64-gnome.iso/ > >This redirected to the following Swedish site: > >(2) >/https://caesar.ftp.acc.umu.se/debian-cd/10.0.0-live/amd64/iso-hybrid/debian-live-10.0.0-amd64-cinnamon.iso// > >Because the password request is not what most of us expect, nor should >it be, so you might like to look into it. The download behaviour via >Distrowatch may be OK, but it is unusual. It could be that the site >has >the Debian files mixed with other files that need password protection, >but it could also be malicious. > >I hope this unusual behaviour does not put off any Debian users. > >I have now downloaded a "live" version of Debian 10.0.0 from another >site uneventfully and it boots and runs OK. > >I will leave it with you. > >You guys are doing a great job that is widely appreciated. Best >wishes. > >Rick