-2

how to fix it?

E: Failed to fetch http://ppa.launchpad.net/mefrio-g/plymouthmanager/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.
Yaron
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Wahyudi
  • 1
  • which command did you executed which resulted with the output in the question? please [edit] your question with this info – Yaron Apr 27 '17 at 08:13

1 Answers1

2

Checking this address you can find out that this package is not available for Xenial. The PPA has not been updated since 2011. I recommend you not to use outdated packages.

You can use command line to change plymouth themes.

Hamed
  • 566