使用此命令 apt-get install xubuntu-desktop 我得到这个：
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.
以下信息可能有助于解决该情况：
The following packages have unmet dependencies:
xubuntu-desktop : Depends: gtk2-engines-pixbuf but it is not going to be installed
Depends: xubuntu-artwork but it is not going to be installed
Depends: xubuntu-default-settings but it is not going to be installed
Recommends: bluez-cups but it is not going to be installed
Recommends: cups
Recommends: gmusicbrowser but it is not going to be installed
Recommends: gnome-system-tools but it is not going to be installed
Recommends: hplip but it is not going to be installed
Recommends: pidgin but it is not going to be installed
Recommends: printer-driver-splix but it is not going to be installed
Recommends: xchat but it is not going to be installed
E: Unable to correct problems, you have held broken packages.
答案1
报告的错误是由于您没有在软件源中启用 Universe 存储库。
幸运的是，我们有一个很棒的问答，详细介绍了这一点 - 我不会在这里重复相同的信息：
启用 Universe 存储库后，重新运行更新过程：
sudo apt-get update
sudo apt-get install xubuntu-desktop