Software update has stopped working
Been running 12.04 LTS for many months ok. Decided to install Dropbox and although it appeared to install, the Ubuntu Software Centre app under the Progress tab, states that it is searching and remains in that state.
When I try to run software update, I get a pop-up stating "Not all updates can be installed" and provides a "Partial Update" button. Clicking that gives a pop-up stating "unable to get exclusive lock" and suggests: "This usually means that another package management application (like apt-get or aptitude) already running. Please close that application first."
I have tried some of the solutions in FAQ but get similar error messages ie can't get exclusive lock.
Please help.
Started the trouble shooting procedure for Package Manager, step 5 terminal output follows:
greg@Raven:~$ ubuntu-
Support status summary of 'Raven':
You have 1810 packages (100.0%) that can not/no-longer be downloaded
You have 0 packages (0.0%) that are unsupported
Your current Hardware Enablement Stack (HWE) is no longer supported
since 2014-08-07. Security updates for critical parts (kernel
and graphics stack) of your system are no longer available.
For more information, please see:
http://
To upgrade to a supported (or longer supported) configuration:
* Upgrade from Ubuntu 12.04 LTS to Ubuntu 14.04 LTS by running:
sudo do-release-upgrade
OR
* Install a newer HWE version by running:
sudo apt-get install linux-generic-
and reboot your system.
Run with --show-unsupported, --show-supported or --show-all to see more details
greg@Raven:~$
>> tried to install the newer HWE with above command string but this failed with error message:
"E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?"
I'll wait for some feedback before going any further with the trouble shooting procedure.
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