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When I try to start up Unity Tweak Tool in 14.04, it throws up a window that says:

"The following schema is missing:

com.canonical.unity.webapps

In order to work properly, Unity Tweak Tool recommends you install the necessary packages."

I have no removed this package, I only turned them off in the Privacy settings. However, looking in Synaptic doesn't show these to even try to reinstall them.

I have no idea why these would be missing. Any help would be greatly appreciated.

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marked as duplicate by Avinash Raj, Florian Diesch, Eric Carvalho, karel, Radu Rădeanu Apr 19 '14 at 17:38

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

I removed a package I don't remember and this problem occurred to me too. To reinstall this webapp I tried this:

sudo apt-get install unity-webapps-common

and it resolved the issue.

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Turns out, uninstalling the Amazon app actually uninstalls this. Hm, who knew? Thanks for catching this. – CodeMouse92 Feb 18 '16 at 3:53

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