sudo apt-get update
Hit http://dl.google.com stable Release.gpg
Hit http://dl.google.com stable Release
Hit http://repo.vivaldi.com stable Release.gpg
Hit http://dl.google.com stable/main i386 Packages
Hit http://repo.vivaldi.com stable Release
Hit http://repo.vivaldi.com stable/main i386 Packages
Get:1 http://http.debian.net wheezy-backports Release.gpg [836 B]
Hit http://dl.google.com stable/main Translation-en_US
Get:2 http://http.debian.net wheezy-backports Release [147 kB]
Hit http://repo.kali.org kali-bleeding-edge Release.gpg
Hit http://repo.kali.org kali Release.gpg
Hit http://repo.kali.org kali-bleeding-edge Release
Ign http://repo.vivaldi.com stable/main Translation-en_US
Ign http://repo.vivaldi.com stable/main Translation-en
Hit http://repo.kali.org kali Release
Hit http://http.debian.net wheezy-backports/main i386 Packages/DiffIndex
Hit http://repo.kali.org kali-bleeding-edge/main i386 Packages
Hit http://http.debian.net wheezy-backports/main Translation-en/DiffIndex
Hit http://repo.kali.org kali/main Sources
Hit http://repo.kali.org kali/non-free Sources
Hit http://repo.kali.org kali/contrib Sources
Get:3 http://repo.kali.org kali/main i386 Packages [8,496 kB]
Get:4 http://repo.kali.org kali/non-free i386 Packages [134 kB]
Hit http://repo.kali.org kali/contrib i386 Packages
Hit http://security.kali.org kali/updates Release.gpg
Hit http://security.kali.org kali/updates Release
Hit http://security.kali.org kali/updates/main Sources
Hit http://security.kali.org kali/updates/contrib Sources
Ign http://repo.kali.org kali-bleeding-edge/main Translation-en_US
Ign http://repo.kali.org kali-bleeding-edge/main Translation-en
Ign http://repo.kali.org kali/contrib Translation-en_US
Ign http://repo.kali.org kali/contrib Translation-en
Ign http://repo.kali.org kali/main Translation-en_US
Ign http://repo.kali.org kali/main Translation-en
Ign http://repo.kali.org kali/non-free Translation-en_US
Ign http://repo.kali.org kali/non-free Translation-en
Fetched 148 kB in 29s (4,926 B/s)
W: Failed to fetch http://repo.kali.org/kali/dists/kali/main/binary-i386/Packages Hash Sum mismatch
W: Failed to fetch http://repo.kali.org/kali/dists/kali/non-free/binary-i386/Packages Hash Sum mismatch
W: Failed to fetch http://security.kali.org/kali-security/dists/kali/updates/Release Unable to find expected entry 'non-freedeb/source/Sources' in Release file (Wrong sources.list entry or malformed file)
E: Some index files failed to download. They have been ignored, or old ones used instead.
sudo apt-get install synaptic
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package synaptic is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package 'synaptic' has no installation candidate