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在软件中心，出现错误“apt transaction returned result exit failed”并出现以下错误。Ubuntu 16.04.3

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在软件中心，出现错误“apt transaction returned result exit failed”并出现以下错误。Ubuntu 16.04.3 
W:The repository 'http://ppa.launchpad.net/tualatrix/next/ubuntu xenial Release' does not have a Release file., 
W:Data from such a repository can't be authenticated and is therefore potentially dangerous to use., W:See apt-secure(8) manpage for repository creation and user configuration details., 
E:Failed to fetch http://ppa.launchpad.net/tualatrix/next/ubuntu/dists/xenial/main/binary-amd64/Packages  404  Not Found, 
E:Some index files failed to download. They have been ignored, or old ones used instead.

答案1

首先，那些大多是带有一个错误的警告。

如果你读了它们，它会告诉你问题所在：

E:Failed to fetch 
 http://ppa.launchpad.net/tualatrix/next/ubuntu/dists/xenial/main/binary-amd64/Packages
 404 Not Found 
E:Some index files failed to download. 
  They have been ignored, or old ones used instead.

PPA 的维护者没有适用于 xenial 的软件包。

任何一个

  1. 联系维护者 -https://launchpad.net/~tualatrix/+archive/ubuntu/next

  2. 禁用 PPA 并为您想要的软件包找到其他来源。

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