A few months ago I installed this ppa from the recommendation of this answer. It now turns out that it's buggy as hell and breaks nearly everything almost all the time.

I tried removing the ppa and reinstalling unity, but I get the message Reinstallation of unity is not possible, it cannot be downloaded.

How do I go back to using unaltered Unity?

up vote 2 down vote accepted

If you have already removed the ppa, you have to add it again for this to work:

sudo apt-add-repository ppa:mc3man/systray-white
sudo apt-get update

Next, purge the ppa, which will remove it from your sources and restore the packages to the official version:

sudo ppa-purge ppa:mc3man/systray-white

In case ppa-purge is not installed, do:

sudo apt-get install ppa-purge
  • @Jobin Agreed, although purging the ppa should automatically reinstall the package. – animaletdesequia Jan 11 '14 at 7:54
  • Warning: Could not find package list for PPA: mc3man systray-white – iirelu Jan 12 '14 at 1:17
  • I reinstalled the ppa and then purged it, that worked. Thank you, this has been bugging me for months. – iirelu Jan 12 '14 at 1:18

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