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I am not able to install Apache 2.2 in Ubuntu 12.04. Here is a snippet from my console log (sorry, it is in German):

apache2 : Hängt ab von: apache2-mpm-worker (= 2.2.22-1ubuntu1) soll aber nicht installiert werden oder apache2-mpm-prefork (= 2.2.22-1ubuntu1) aber 2.2.22-1ubuntu1.1 soll installiert werden ...

That means like: apache2 depends from apa..worker, but that should not get installed OR from ap...prefork..ubuntu1, but ap...prefork..ubuntu1.1 should get installed.

I have no idea how to tackle that issue..

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How are you installing Apache? – Mitch Jul 31 '12 at 10:50
Sudo apt-get install apache2 – mcbetz Jul 31 '12 at 11:28

I had exactly the same problem today. After different trials, I tried :

sudo apt-get purge apache2

And then again :

sudo apt-get install apache2

And it worked!

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Thanks, but that does not work. I have not installed Apache before, hence apt-get purge return nothing to uninstall – mcbetz Jul 31 '12 at 14:54
The strange thing is that apt-get purge returned me the same answer as you ... as I did not manage to install apache2 before?! – Juliette Jul 31 '12 at 15:17

Try running

sudo apt-get install apache2 apache2-mpm-prefork

The issue is that apt doesn't know which of the packages for apache2 you want.

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