thanks Christopher for the reply, but it happens that it was a
production machine and i could not lose another day, so i swept every
thing after backup and make a fresh installation.
Yes that was after automatic update not sure which package but i do
doubt compiz, the error was that the unity fail
Public bug reported:
sorry i could not writ any thing as i use on screen keyboard , major failure
in startup , could not change language , the top bar and side bar is not show
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.4.0-112.135-ge
Public bug reported:
i ran sudo apt-get dselect-upgrade
and it come out with this list
gcc-5-multilib gcc-multilib lib32asan2 lib32atomic1 lib32cilkrts5
lib32gcc-5-dev lib32gcc1 lib32gomp1 lib32itm1 lib32mpx0 lib32quadmath0
lib32stdc++6 lib32ubsan0 libc6-dev-i386 libc6-dev-x32 libx32asan2
Public bug reported:
W: The repository 'cdrom://Ubuntu 14.04.3 LTS _Trusty Tahr_ - Beta amd64
(20150805) trusty 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