The output which I get while installing ClipGrab using ppa is :-
Reading package lists... Done
W: The repository 'http://ppa.launchpad.net/clipgrab-team/ppa/ubuntu yakkety Release' does not have a Release file.
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.
E: Failed to fetch http://ppa.launchpad.net/clipgrab-team/ppa/ubuntu/dists/yakkety/main/binary-amd64/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
jaggu@jaggu-Lenovo-G50-80:~$ sudo apt-get install clipgrab
Reading package lists... Done
Building dependency tree
Reading state information... Done
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:
clipgrab : Depends: libavcodec-extra-53 (>= 4:0.8.6) but it is not installable
E: Unable to correct problems, you have held broken packages.
jaggu@jaggu-Lenovo-G50-80:~$
How do I solve this problem and install ClipGrab ?
apt-cache clipgrab libavcodec-extra-53? – David Foerster Nov 11 '16 at 19:20apt-cache clipgrab libavcodec-extra-53 libavcodec-extra. – David Foerster Nov 11 '16 at 19:31apt-cache policy clipgrab libavcodec-extra-53 libavcodec-extra(missingpolicyin the above command) – user.dz Nov 11 '16 at 22:19