On Sat, Sep 7, 2019 at 12:22 AM Sven Joachim <svenjoac@gmx.de> wrote: > > > This sources.list file looks good to me. > > > What should I check? > > There should be a file > /var/lib/apt/lists/deb.debian.org_debian_dists_buster-updates_InRelease. > If it exists, can you please show its first 15 lines? > Hi you can see the whole file on this link https://pastebin.com/116phYnH ------------------- Thanks & Regards Tapas