我最近从软件中心购买了适用于 ubuntu 的 whatsapp，但当我尝试安装它时出现了这个屏幕。
https://i.stack.imgur.com/yX8DK.jpg <--- 屏幕截图无法安装新软件，因为当前安装的软件有问题，您想现在修复此问题吗？
所以我单击修复按钮，它要求使用我的 ubuntu 密码进行身份验证，然后输入并输入。
说包操作失败安装或包删除失败
详情如下...
installArchives() failed: (Reading database ...
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(Reading database ... 418136 files and directories currently installed.)
Preparing to unpack .../libstdc++6-arm64-cross_4.8.4-2ubuntu1~14.04.1cross0.11.1_all.deb ...
Unpacking libstdc++6-arm64-cross (4.8.4-2ubuntu1~14.04.1cross0.11.1) over (4.8.2-13ubuntu1cross0.11) ...
dpkg: error processing archive /var/cache/apt/archives/libstdc++6-arm64-cross_4.8.4-2ubuntu1~14.04.1cross0.11.1_all.deb (--unpack):
trying to overwrite '/usr/share/gcc-4.8/python/libstdcxx/__init__.py', which is also in package libstdc++6:amd64 4.8.4-2ubuntu1~14.04.1
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Errors were encountered while processing:
/var/cache/apt/archives/libstdc++6-arm64-cross_4.8.4-2ubuntu1~14.04.1cross0.11.1_all.deb
Error in function:
dpkg: dependency problems prevent configuration of libstdc++-4.8-dev-arm64-cross:
libstdc++-4.8-dev-arm64-cross depends on libstdc++6-arm64-cross (>= 4.8.4-2ubuntu1~14.04.1cross0.11.1); however:
Version of libstdc++6-arm64-cross on system is 4.8.2-13ubuntu1cross0.11.
dpkg: error processing package libstdc++-4.8-dev-arm64-cross (--configure):
dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of libstdc++6-4.8-dbg-arm64-cross:
libstdc++6-4.8-dbg-arm64-cross depends on libstdc++6-arm64-cross (>= 4.8.4-2ubuntu1~14.04.1cross0.11.1); however:
Version of libstdc++6-arm64-cross on system is 4.8.2-13ubuntu1cross0.11.
dpkg: error processing package libstdc++6-4.8-dbg-arm64-cross (--configure):
dependency problems - leaving unconfigured
我不知道如何解决这个问题，因为我对 ubuntu 还很陌生，任何帮助都会受到欢迎。
提前致谢。
答案1
发生这种情况的原因似乎是已安装的软件包具有依赖项，这些依赖项可能与您尝试安装的软件包的依赖项相冲突。我遇到过这种情况，我在论坛上搜索过，建议逐步尝试解决问题，每次都比前一步更积极，如果无法解决问题，则继续下一步……
步骤1）
sudo apt-get update
sudo apt-get upgrade
这可能会失败
第2步）
sudo apt-get -f install
这也可能会失败。
步骤3）
sudo apt-get remove --purge libstdc++-4.8-dev-arm64-cross
这将尝试删除有问题的包，但通常会创建另一条消息，例如
..
The following packages have unmet dependencies.
dkms : Depends: gcc but it is not going to be installed
g++-multilib : Depends: g++ (>= 4:4.8.2-1ubuntu6) but it is not going to be installed
只需重复上述命令，添加具有未满足依赖关系的内容即可
sudo apt-get remove libstdc++-4.8-dev-arm64-cross dkms g++-multilib
并继续操作直到删除成功。然后您可以按照步骤 1 进行升级和更新，并重新安装所需的内容。