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I am trying to run sudo dpkg -i chntpw* while running Ubuntu from a USB drive on my PC. I get this message. 

(Reading database ... 169714 files and directories currently installed.)
Preparing to unpack chntpw_1.0-1+b1_amd64.deb ...
Unpacking chntpw (1.0-1+b1) over (1.0-1+b1) ...
dpkg: dependency problems prevent configuration of chntpw:
 chntpw depends on libgcrypt20 (>= 1.6.0); however:
  Package libgcrypt20 is not installed.

dpkg: error processing package chntpw (--install):
 dependency problems - leaving unconfigured
Processing triggers for man-db (2.6.7.1-1ubuntu1) ...
Errors were encountered while processing:
 chntpw

I am trying to recover lost password.

Kalle Richter
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Newbee
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  • If you have an internet connection, you should be able to install chntpw from the Ubuntu repository, either using the Software Center or using `sudo apt-get install chntpw`. Unlike installing via `dpkg`, this will automatically resolve dependencies for you. – steeldriver Jul 15 '15 at 17:44

1 Answers1

1

If you run

sudo apt-get update
sudo apt-get install -f

this should be resolved. But you need to be connected to internet.

Pilot6
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  • it is asking to remove chntpw? should I do that – Newbee Jul 15 '15 at 16:56
  • @Newbee What is your Ubuntu version? Are you connected to internet? – Pilot6 Jul 15 '15 at 16:58
  • It is 14.04. and yes I am connected to internet – Newbee Jul 15 '15 at 17:00
  • Run `sudo apt-get update` and try again. – Pilot6 Jul 15 '15 at 17:01
  • Actually I answered both no and yes different times and it does not matter. same issue when I run the sudo command with chntpw – Newbee Jul 15 '15 at 17:02
  • the update command seems to run but same issue – Newbee Jul 15 '15 at 17:03
  • Run `sudo apt-get install libgcrypt20`. Does it install? – Pilot6 Jul 15 '15 at 17:04
  • I get this message E: Invalid operation insall ubuntu@ubuntu:~/Downloads$ sudo apt-get install libgcrypt20 Reading package lists... Done Building dependency tree Reading state information... Done Package libgcrypt20 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source – Newbee Jul 15 '15 at 17:06
  • Go to System Settings -> Software & Updates and change download server. You are either not connected to internet or the server you try to download from is down. Does `sudo apt-get update` give errors? – Pilot6 Jul 15 '15 at 17:09
  • sudo apt-get update does not give errors. I will try the settings as suggested – Newbee Jul 15 '15 at 17:11
  • This package `libgcrypt20` is available. It should have been installed automatically, but your system does not see it. Change server to main. – Pilot6 Jul 15 '15 at 17:13
  • ok changed back to main – Newbee Jul 15 '15 at 17:27