I tried to install new themes for unity desktop and i found this topic in search


and follow all steps but i faced this problem after write command update (apt-get update)

get this error


W: Failed to fetch http://ppa.launchpad.net/isantop/iansanto-ppa/ubuntu/dists/oneiric/main/binary-i386/Packages 404 Not Found

E: Some index files failed to download. They have been ignored, or old ones used instead.

and after command installation this

apt-get install unity-theme

and faced this problem

E: Unable to locate package unity-theme

What is the reason؟


I think it is only for Ubuntu 11.04 (Published March 20, 2011) so you need to remove this repository open the Ubuntu software center and then press Edit and Software Sources... find this repository ppa:isantop/iansanto-ppa and press the remove button to delete it

  • i doubt in that too okay man i will do that thank you – Mahmoud20070 Feb 25 '12 at 14:47

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