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I installed xubuntu-desktop over lubuntu-desktop in ubuntu oneiric. Now: 1) It's not possible to log into xubuntu - after entering name and password it just loops back to the login screen. 2) After a Gnome login no panels appear, making it rather difficult to do what I wanted to do in Gnome (namely remove the lubuntu install to see if that made xubuntu usable) 3) Attempting to remove the xubuntu install from LXDE (with the code from psychocats) results in this output:

Some packages could not be installed. This may mean that you have  
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies: 
autoconf : Depends: m4 (>= 1.4.13) but it is not going to be installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.

I've asked about the first problem on the ubuntu forum, where someone else has also reported it, without any reply so far. Needless to say, this is a very frustrating situation...

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closed as too localized by Marco Ceppi Dec 19 '11 at 18:57

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center. If this question can be reworded to fit the rules in the help center, please edit the question.

Did you update your repositories first ? sudo apt-get update ? Did you put any packages on hold ? –  bodhi.zazen Dec 18 '11 at 3:32
Thanks - I'd updated the system with update manager earlier. I haven't put any packages on hold deliberately (& indeed I didn't putting packages on hold was possible until reading your comment...) –  birone Dec 18 '11 at 11:20
I've got a suspicion xubuntu's failure to load is to do with display managers (ie ubuntu uses lightDM, lubuntu uses LXDM & doubtless xubuntu uses something else). But I have no idea how to fix this. –  birone Dec 18 '11 at 15:55
I'm having the same problem. I don't know why this was closed as too localized. –  DLH Dec 28 '11 at 23:58

1 Answer 1

I ended up reinstalling... details here.

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Welcome to Ask Ubuntu! Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. –  Marco Ceppi Dec 19 '11 at 18:56

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