以前，我的ubuntu coule无法加载USB磁盘，因此我尝试sudo apt-get remove nautilus。但这不能解决USB加载问题，现在我也无法安装nautilus。
当我运行sudo apt-get install nautilus时，出现了错误提示：
Factory我也尝试使用智能，但仍然无法做到：
chenmin@chenmin-XPS9570:~$ sudo apt-get install -f nautilus
[sudo] password for chenmin:
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:
nautilus : Depends: libnautilus-extension1a (= 1:3.26.3-0ubuntu4) but 1:3.26.4-0~ubuntu18.04.1 is to be installed
Depends: nautilus-data (= 1:3.26.3-0ubuntu4) but 1:3.26.4-0~ubuntu18.04.1 is to be installed
Recommends: gvfs-backends
E: Unable to correct problems, you have held broken packages.
请帮助！
我尝试了chenmin@chenmin-XPS9570:~$ sudo aptitude install -f nautilus
The following NEW packages will be installed:
gvfs-backends{ab} nautilus{b}
0 packages upgraded, 2 newly installed, 0 to remove and 0 not upgraded.
Need to get 1,124 kB of archives. After unpacking 5,387 kB will be used.
The following packages have unmet dependencies:
gvfs-backends : Depends: gvfs (= 1.36.1-0ubuntu1) but 1.36.1-0ubuntu1.1 is installed
Depends: gvfs-daemons (= 1.36.1-0ubuntu1) but 1.36.1-0ubuntu1.1 is installed
Depends: gvfs-libs (= 1.36.1-0ubuntu1) but 1.36.1-0ubuntu1.1 is installed
Depends: gvfs-common (= 1.36.1-0ubuntu1) but 1.36.1-0ubuntu1.1 is installed
nautilus : Depends: libnautilus-extension1a (= 1:3.26.3-0ubuntu4) but 1:3.26.4-0~ubuntu18.04.1 is installed
Depends: nautilus-data (= 1:3.26.3-0ubuntu4) but 1:3.26.4-0~ubuntu18.04.1 is installed
The following actions will resolve these dependencies:
Keep the following packages at their current version:
1) gvfs-backends [Not Installed]
2) nautilus [Not Installed]
Leave the following dependencies unresolved:
3) nautilus recommends gvfs-backends
Accept this solution? [Y/n/q/?] Y
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.
然后运行sudo apt-get update & sudo apt-get upgrade
仍然失败。