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I tried to install dropbox and suddenly it couldn't finish installation. I tried from the terminal to do it manually and the same,it stucked at 100%. These are two of the problems are coming through terminal:

E: Could not get lock /var/lib/apt/lists/lock – open (11: Resource temporarily unavailable)

E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?

Also when i tried to do software update is coming this problem:

Software index is broken

It is impossible to install or remove any software. Please use the package manager "Synaptic" or run sudo apt-get install -f in a terminal to fix this issue at first.

I tried to fix it but is still the same problem. How can I solve these problems? Thank you

andrew.46
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NIKOLAS
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2 Answers2

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Retry after reboot. Use synaptic this time after an update command. Before that, check synaptic for any broken residue package, remove it first. Hope it will help.

Arijit Chatterjee
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This sounds like the lock file which is written while using apt or other installation & update methods to tell the system that an update is installing still exists

Therefor you get the

Could not get lock /var/lib/apt/lists/lock

info.

I would check in the first place via 

ps | grep WHATEVERYOUUSEDTORUNFORMERUPDATE

to check if there is still a matching process. In case there isnt give 

sudo apt-get install -f

another chance and report back the output if it contains errors

Good luck

dufte
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