problem install the skype and vlc player
skype install problem
root@dabia-OptiPlex-745:/home/dabia# apt-get install skype
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package skype 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 'skype' has no installation candidate
vlc player install error:
Package dependencies cannot be resolved error
This error could be caused by required additional software packages which are missing or not installable. Furthermore there could be a conflict between software packages which are not allowed to be installed at the same time.
kindly send me sloved