The following error log I’m getting while installing google chrome stable.
Please suggest me how can I solve that?
OK
Warning: 'apt-key update' is deprecated and should not be used anymore!
Note: In your distribution this command is a no-op and can therefore be removed safely.
Get:1 http://security.debian.org/debian-security stretch/updates InRelease [94.3 kB]
Ign:2 http://deb.debian.org/debian stretch InRelease
Get:3 http://deb.debian.org/debian stretch-updates InRelease [91.0 kB]
Hit:4 http://deb.debian.org/debian stretch Release
Ign:5 http://dl.google.com/linux/chrome/deb stable InRelease
Get:6 http://security.debian.org/debian-security stretch/updates/main amd64 Packages [484 kB]
Get:7 http://dl.google.com/linux/chrome/deb stable Release [943 B]
Get:8 http://dl.google.com/linux/chrome/deb stable Release.gpg [819 B]
Get:9 http://deb.debian.org/debian stretch-updates/main amd64 Packages.diff/Index [8608 B]
Get:10 http://deb.debian.org/debian stretch-updates/main amd64 Packages 2019-03-27-2010.32.pdiff [531 B]
Get:11 http://deb.debian.org/debian stretch-updates/main amd64 Packages 2019-03-30-2008.27.pdiff [1599 B]
Get:11 http://deb.debian.org/debian stretch-updates/main amd64 Packages 2019-03-30-2008.27.pdiff [1599 B]
Ign:8 http://dl.google.com/linux/chrome/deb stable Release.gpg
Get:13 http://dl.google.com/linux/chrome/deb stable/main amd64 Packages [1111 B]
Fetched 683 kB in 0s (2218 kB/s)
Reading package lists... Done
W: GPG error: http://dl.google.com/linux/chrome/deb stable Release: The following signatures were invalid: EXPKEYSIG 1397BC53640DB551 Google Inc. (Linux Packages Signing Authority) <linux-packages-keymaster@google.com>
W: The repository 'http://dl.google.com/linux/chrome/deb stable Release' is not signed.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
fonts-droid-fallback fonts-noto-mono gsfonts libcupsfilters1 libcupsimage2
libgs9 libgs9-common libijs-0.35 libjbig2dec0 libpaper-utils libpaper1
poppler-data
Suggested packages:
fonts-noto ghostscript-x poppler-utils fonts-japanese-mincho
| fonts-ipafont-mincho fonts-japanese-gothic | fonts-ipafont-gothic
fonts-arphic-ukai fonts-arphic-uming fonts-nanum
Recommended packages:
libu2f-udev
The following NEW packages will be installed:
fonts-droid-fallback fonts-noto-mono ghostscript gsfonts libcupsfilters1
libcupsimage2 libgs9 libgs9-common libijs-0.35 libjbig2dec0 libpaper-utils
libpaper1 poppler-data
The following packages will be upgraded:
google-chrome-stable
1 upgraded, 13 newly installed, 0 to remove and 10 not upgraded.
Need to get 71.9 MB of archives.
After this operation, 49.7 MB of additional disk space will be used.
WARNING: The following packages cannot be authenticated!
google-chrome-stable
E: There were unauthenticated packages and -y was used without --allow-unauthenticated
Exited with code 100