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the size of apt-get update lists is too big
How do I resolve unmet dependencies?

Im a newbie to ubuntu. Ive come across this while trying to install synaptic manager. However, later I observed that I get this sort of error whenever I try to install anything.

Also, when i go to update manager and click install updates, it displays this:

*Check if you are using third party repositories. If so disable them, since they are a common source of problems.

Furthermore run the following command in a Terminal: apt-get install -f:

The following packages have unmet dependencies:
linux-generic-pae: Depends: linux-image-generic-pae (= 3.2.0.37.44) but 3.2.0.37.45 is installed
               Depends: linux-headers-generic-pae (= 3.2.0.37.44) but 3.2.0.37.45 is installed*

This is what I get in terminal:

**PROBLEM:**

root@gs-desktop:/home/gs# sudo apt-get install synaptic
Reading package lists... Done
Building dependency tree       
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
linux-generic-pae : Depends: linux-image-generic-pae (= 3.2.0.37.44) but 3.2.0.37.45    is to be installed
                 Depends: linux-headers-generic-pae (= 3.2.0.37.44) but 3.2.0.37.45 is to be installed
 synaptic : Depends: libept1.4.12 but it is not going to be installed
        Depends: libvte9 (>= 1:0.24.0) but it is not going to be installed
        Recommends: rarian-compat but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a     solution).
root@gs-desktop:/home/gs# apt-get -f install
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Correcting dependencies... Done
The following extra packages will be installed:
  linux-generic-pae
The following packages will be upgraded:
  linux-generic-pae
1 upgraded, 0 newly installed, 0 to remove and 7 not upgraded.
1 not fully installed or removed.
Need to get 0 B/1,728 B of archives.
After this operation, 0 B of additional disk space will be used.
Do you want to continue [Y/n]? Y
dpkg: dependency problems prevent configuration of linux-generic-pae:
 linux-generic-pae depends on linux-image-generic-pae (= 3.2.0.37.44); however:
  Version of linux-image-generic-pae on system is 3.2.0.37.45.
 linux-generic-pae depends on linux-headers-generic-pae (= 3.2.0.37.44); however:
  Version of linux-headers-generic-pae on system is 3.2.0.37.45.
dpkg: error processing linux-generic-pae (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from     a previous failure.
                      Errors were encountered while processing:
 linux-generic-pae
E: Sub-process /usr/bin/dpkg returned an error code (1)

Please help me out with this problem and thanks in advance.

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marked as duplicate by Eliah Kagan, Seth, Amith KK, hhlp, Andrea Corbellini Feb 5 '13 at 12:16

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