72 B]
Get:16 http://ru.archive.ubuntu.com/ubuntu xenial-proposed/universe amd64 DEP-11 Metada
ta [3 812 B]
Get:17 http://ru.archive.ubuntu.com/ubuntu xenial-proposed/universe DEP-11 64x64 Icons
[11,0 kB]
Get:18 http://ru.archive.ubuntu.com/ubuntu xenial-proposed/main amd64 DEP-11 Metadata [
11,4 kB]
Get:19 http://ru.archive.ubuntu.com/ubuntu xenial-proposed/main DEP-11 64x64 Icons [16,
6 kB]
Hit:20 http://ppa.launchpad.net/saiarcot895/myppa/ubuntu xenial InRelease
Ign:21 http://ppa.launchpad.net/spring/ppa/ubuntu xenial InRelease
Err:22 http://ppa.launchpad.net/blk/ppa/ubuntu xenial Release
  404  Not Found
Get:23 http://ppa.launchpad.net/enlightenment-git/ppa/ubuntu xenial/main amd64 Packages [3 128 B]
Get:24 http://ppa.launchpad.net/enlightenment-git/ppa/ubuntu xenial/main i386 Packages [3 124 B]
Err:25 http://ppa.launchpad.net/spring/ppa/ubuntu xenial Release
  404  Not Found
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/blk/ppa/ubuntu xenial Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://ppa.launchpad.net/spring/ppa/ubuntu xenial Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
amaury@amaury-M15x:~$ sudo apt  full-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these.
The following packages have unmet dependencies:
 cups : Depends: cups-daemon (>= 2.1.3-4ubuntu0.1)
 cups-core-drivers : Depends: cups-daemon (>= 2.1.3-4ubuntu0.1)
 cups-daemon : Depends: libcups2 (= 2.1.3-4) but 2.1.3-4ubuntu0.1 is installed
E: Unmet dependencies. Try using -f.
amaury@amaury-M15x:~$