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I'm trying to install ncurses on my Ubuntu. I keep getting this error:

$ sudo apt-get install libncurses5-dev libncursesw5-dev
Lecture des listes de paquets... Fait
Construction de l'arbre des dépendances       
Lecture des informations d'état... Fait
Le paquet « mono-roslyn » n'est pas installé, et ne peut donc être supprimé
Vous pouvez lancer « apt-get -f install » pour corriger ces problèmes :
Les paquets suivants contiennent des dépendances non satisfaites :
 mono-devel : Dépend: mono-roslyn (= 5.4.1.7-0xamarin1+ubuntu1604b1) mais ne sera pas installé
              Dépend: ca-certificates-mono (= 5.4.1.7-0xamarin1+ubuntu1604b1) mais 5.4.0.201-0xamarin10+ubuntu1604b1 devra être installé
E: Dépendances non satisfaites. Essayez « apt-get -f install » sans paquet
(ou indiquez une solution).

I've already tried to update, upgrade, dist-upgrade, remove, clean, apt-get install -f, ....

What else can I try?

I've already followed this post:

How do I resolve unmet dependencies after adding a PPA?

Zanna
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pierreafranck
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  • Those are Mono package errors, not ncurses errors. Whatever non-Ubuntu source you chose to install Mono from, uninstall ALL packages from that source. Those mono packages seem incompatible with your version of Ubuntu. – user535733 Jan 20 '18 at 21:22
  • Can you please explain it a little bit? Mono is an Windows emulator, so what it is do here? – pierreafranck Jan 20 '18 at 21:34
  • For the explanation, read the error messages you posted. It doesn't matter what you are tyring to install now, any apt actions will result in the same mono package errors. Mono package errors, not mono runtime errors. Did you install Mono from some non-Ubuntu source? – user535733 Jan 20 '18 at 22:22
  • No that's why I don't understand why it is here... – pierreafranck Jan 20 '18 at 22:23
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    Please edit your question to include the complete contents of your /etc/apt/sources.list file and the complete contents of all files in /etc/apt/sources.list.d/. Also try uninstalling those three mono-related packages using apt - if any errors, post that session, too. – user535733 Jan 21 '18 at 01:12
  • Please update your question with output of apt-cache policy mono-devel mono-roslyn ca-certificates-mono. Please note that mono-roslyn package is not part of official Ubuntu repositories. – N0rbert Jan 21 '18 at 09:02
  • Your question is unclear and it appears to be abandoned, but restoring the default repositories would be a logical step under these circumstances. Please reply to the questions asked in the comments and comment to me if you want this question to be reopened. – karel Feb 19 '22 at 04:47

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