faisal@faisal-thinkpad-x220:~$ sudo add-apt-repository ppa:budgie-remix/ppa
 The official PPA for the distro budgie-remix - https://launchpad.net/budgie-remix
 More info: https://launchpad.net/~budgie-remix/+archive/ubuntu/ppa
Press [ENTER] to continue or ctrl-c to cancel adding it

gpg: keyring `/tmp/tmp6a9i7uja/secring.gpg' created
gpg: keyring `/tmp/tmp6a9i7uja/pubring.gpg' created
gpg: requesting key F422D205 from hkp server keyserver.ubuntu.com
gpg: /tmp/tmp6a9i7uja/trustdb.gpg: trustdb created
gpg: key F422D205: public key "Launchpad PPA for budgie-remix" imported
gpg: Total number processed: 1
gpg:               imported: 1  (RSA: 1)
OK
faisal@faisal-thinkpad-x220:~$ sudo apt update
Get:1 http://security.ubuntu.com/ubuntu xenial-security InRelease [94.5 kB]
Hit:2 http://ppa.launchpad.net/budgie-remix/ppa/ubuntu xenial InRelease
Hit:3 http://kw.archive.ubuntu.com/ubuntu xenial InRelease
Ign:4 http://ppa.launchpad.net/evolve-os/ppa/ubuntu xenial InRelease
Hit:5 http://kw.archive.ubuntu.com/ubuntu xenial-updates InRelease
Hit:6 http://ppa.launchpad.net/fossfreedom/budgie-desktop/ubuntu xenial InRelease
Hit:7 http://kw.archive.ubuntu.com/ubuntu xenial-backports InRelease
Hit:8 http://ppa.launchpad.net/gnome3-team/gnome3-staging/ubuntu xenial InRelease
Hit:9 http://ppa.launchpad.net/gnome3-team/gnome3/ubuntu xenial InRelease
Hit:10 http://ppa.launchpad.net/numix/ppa/ubuntu xenial InRelease
Err:11 http://ppa.launchpad.net/evolve-os/ppa/ubuntu xenial Release
  404  Not Found
Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/evolve-os/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.
faisal@faisal-thinkpad-x220:~$ sudo apt install budgie-desktop ppa-purge
Reading package lists... Done
Building dependency tree
Reading state information... Done
ppa-purge is already the newest version (0.2.8+bzr63).
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 budgie-desktop : Depends: budgie-core but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
faisal@faisal-thinkpad-x220:~$ sudo ppa-purge ppa:fossfreedom/budgie-desktop
Updating packages lists
W: The repository 'http://ppa.launchpad.net/evolve-os/ppa/ubuntu xenial Release' does not have a Release file.
E: Failed to fetch http://ppa.launchpad.net/evolve-os/ppa/ubuntu/dists/xenial/main/binary-amd64/Packages  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
Warning:  apt-get update failed for some reason
faisal@faisal-thinkpad-x220:~$ faisal@faisal-thinkpad-x220:~$ sudo apt install budgie-core
faisal@faisal-thinkpad-x220:~$: command not found
faisal@faisal-thinkpad-x220:~$ [sudo] password for faisal:
[sudo]: command not found
faisal@faisal-thinkpad-x220:~$ Reading package lists... Done
Reading: command not found
faisal@faisal-thinkpad-x220:~$ Building dependency tree
Building: command not found
faisal@faisal-thinkpad-x220:~$ Reading state information... Done
Reading: command not found
faisal@faisal-thinkpad-x220:~$ Some packages could not be installed. This may mean that you have
No command 'Some' found, did you mean:
 Command 'tome' from package 'tome' (multiverse)
Some: command not found
faisal@faisal-thinkpad-x220:~$ requested an impossible situation or if you are using the unstable
requested: command not found
faisal@faisal-thinkpad-x220:~$ distribution that some required packages have not yet been created
distribution: command not found
faisal@faisal-thinkpad-x220:~$ or been moved out of Incoming.
or: command not found
faisal@faisal-thinkpad-x220:~$ The following information may help to resolve the situation:
No command 'The' found, did you mean:
 Command 'the' from package 'the' (universe)
The: command not found
faisal@faisal-thinkpad-x220:~$
faisal@faisal-thinkpad-x220:~$ The following packages have unmet dependencies:
No command 'The' found, did you mean:
 Command 'the' from package 'the' (universe)
The: command not found
faisal@faisal-thinkpad-x220:~$  budgie-core : Depends: libmutter0g but it is not going to be installed
budgie-core: command not found
faisal@faisal-thinkpad-x220:~$ E: Unable to correct problems, you have held broken packages.
E:: command not found
faisal@faisal-thinkpad-x220:~$ faisal@faisal-thinkpad-x220:~$