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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？

我最近安装了 Ubuntu，一切都很好，除了 Web 应用程序功能。

我已经尝试添加一些网络应用程序，但它有很多问题并且不是很好的体验。我也厌倦了被要求将网站添加为网络应用程序。如何完全从 Ubuntu 中删除 Web 应用程序？我同时使用 Chromium 和 Firefox。

尝试安装时收到以下错误消息libglew-dev，

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:
 libcheese-gtk23 : Depends: libclutter-gtk-1.0-0 (>= 0.91.8) but it is not going to …

我在新的lenovo Z510 ideapad笔记本电脑中使用最新版本的ubuntu 14.04。我在尝试启用两指滑动操作时遇到了这个问题。通常，鼠标和触摸板设置将为鼠标和触摸板设置单独的列，如下所示：