检查您是否正在使用第三方存储库。如果是，请禁用它们，因为它们是问题的常见来源。此外，在终端中运行以下命令：apt-get install -f 事务失败：软件包系统已损坏以下软件包具有未满足的依赖关系：
gdm3: Depends: libaudit1 (>= 1:2.2.1) but 1:2.8.2-1ubuntu1 is installed
Depends: libgdm1 (= 3.28.3-0ubuntu18.04.4) but 3.28.3-0ubuntu18.04.4 is installed
Depends: libwrap0 (>= 7.6-4~) but 7.6.q-27 is installed
Depends: gir1.2-gdm-1.0 (= 3.28.3-0ubuntu18.04.4) but 3.28.3-0ubuntu18.04.3 is installed
Depends: bash (>= 4.3) but 4.4.18-2ubuntu1.2 is installed
Depends: x-terminal-emulator but it is a virtual package
Depends: x11-common (>= 1:7.6+11) but 1:7.7+19ubuntu7.1 is installed
gir1.2-mutter-2: Depends: libmutter-2-0 (= 3.28.4-0ubuntu18.04.1) but 3.28.3-2~ubuntu18.04.2 is installed
gnome-shell: Depends: libgjs0-libmozjs-52-0 but it is a virtual package
Depends: gir1.2-mutter-2 (>= 3.28.4-0ubuntu18.04.1) but 3.28.4-0ubuntu18.04.1 is installed
Depends: gnome-shell-common (= 3.28.4-0ubuntu18.04.1) but 3.28.3-0ubuntu0.18.04.4 is installed
Depends: mutter (>= 3.28.4-0ubuntu18.04.1) but 3.28.3-2~ubuntu18.04.2 is installed
libgl1: Depends: libc6 (>= 2.14) but 2.27-3ubuntu1 is installed
Depends: libglvnd0 (= 1.0.0-2ubuntu2.3) but 1.0.0-2ubuntu2.2 is installed
Depends: libglx0 (= 1.0.0-2ubuntu2.3) but 1.0.0-2ubuntu2.2 is installed
policykit-1: Depends: libc6 (>= 2.7) but 2.27-3ubuntu1 is installed
Depends: libglib2.0-0 (>= 2.37.3) but 2.56.4-0ubuntu0.18.04.4 is installed
Depends: libpolkit-agent-1-0 (= 0.105-20ubuntu0.18.04.5) but 0.105-20ubuntu0.18.04.4 is installed
Depends: libpolkit-backend-1-0 (= 0.105-20ubuntu0.18.04.5) but 0.105-20ubuntu0.18.04.4 is installed
Depends: libpolkit-gobject-1-0 (= 0.105-20ubuntu0.18.04.5) but 0.105-20ubuntu0.18.04.4 is installed