Skype only installing from command line with --classic command


I tried to install Skype using the Software centre and it shows ‘installing’ for ever, but never installs Skype.

Trying to install Skype using the command line shows this line:

error: This revision of snap “skype” was published using classic confinement
and thus may perform arbitrary system changes outside of the security
sandbox that snaps are usually confined to, which may put your system at

   If you understand and want to proceed repeat the command including

Using the --classic command is no problem, but for users who do not use the command line, it might be a bad experience.

Thanks for reporting this issue. Could you please provide the output of the following two commands:- (paste them inside triple backticks to make it nice and formatted)

snap version


apt-cache policy gnome-software


snap 2.30
snapd 2.30
series 16
ubuntu 16.04
kernel 4.4.0-104-generic


Installed: 3.20.5-0ubuntu0.16.04.8
Candidate: 3.20.5-0ubuntu0.16.04.8
Version table:
*** 3.20.5-0ubuntu0.16.04.8 500
500 xenial-updates/main amd64 Packages
100 /var/lib/dpkg/status
3.20.1+git20160420.1.ca63436.ubuntu-xenial-0ubuntu2 500
500 xenial/main amd64 Packages