有时，当我安装东西时，我会收到如下错误：
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:
package1 : Depends: package2 (>= 1.8) but 1.7.5-1ubuntu1 is to be installed
E: Unable to correct problems, you have held broken packages.
我该如何解决这个问题？
package-management apt ppa dependencies software-installation
我使用 Software Sources 程序添加了一些额外的存储库。但是当我重新加载包数据库时，出现如下错误：
W：GPG 错误：http : //ppa.launchpad.net trusty InRelease：以下签名无法验证，因为公钥不可用：NO_PUBKEY 8BAF9A6F
apt-key根据官方的 Ubuntu 文档，我知道我可以在终端中修复它。但我希望以图形方式进行。有没有办法在不使用终端的情况下做到这一点？
我试图在 Linux 上使用 Play 安装英雄无敌 3。当我启动程序时，它给了我一条错误消息
PlayOnLinux 找不到 wine（来自 Wine）。您应该安装它以使用 PlayOnLinux。
sudo apt-get install wine
我试过这个，但我收到一条错误消息：
E：无法纠正问题，您持有破损的包裹。
我该怎么办？
输入：
sudo apt-get install wine
输出：
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package wine is a virtual package provided by:
winehq-staging 4.0~rc1~cosmic
winehq-stable 3.0.4~cosmic
winehq-devel 4.0~rc1~cosmic
wine-development 3.6-1
You should explicitly select one to install.
E: Package 'wine' has no installation candidate
当我输入时：
sudo apt-get install winehq-stable
我明白了：
Reading package lists... Done
Building dependency tree
Reading state …我已经从 Ubuntu 升级了16.04。Wine已安装在我的系统中，但升级后返回以下错误。
it looks like wine32 is missing, you should install it.
as root, please execute "apt-get install wine32"
所以我清除酒并使用以下步骤重新安装
1. sudo apt install wine-stable
2. WINEARCH=win32 WINEPREFIX=~/.wine32
3. wine #return error
4. wineboot
但是，当我尝试使用wine它的节目运行任何东西时，它wine32仍然丢失。所以我尝试安装win32.
sudo apt install wine32
The following packages have unmet dependencies:
wine32:i386 : Depends: libwine:i386 (= 1.8.5-1ubuntu1) but it is not going to be installed
Distributor ID: Ubuntu
Description: Ubuntu 16.10
Release: 16.10 …