E: Sub-process/usr/bin/dpkg returned an error code appears in ubuntu.

When you use apt-get to install software
Install-info: No dir file specified; try-help for more information. dpkg: An error occurred when processing gettext (-configure): the sub-process post-installation script returned error number 1. An error occurred during processing:
Findutils

E: Sub-process/usr/bin/dpkg returned an error code (1)

Method 1:

 
 

  
  
Sudo mv/var/lib/dpkg/info. bak // rename the info folder
  
  

  
  
Sudo mkdir/var/lib/dpkg/info // create a new info folder.
  
  

  
  
Sudo apt-get update
 
 

// No need to explain

  
  

   
   
apt-get -f install xxx
   
   

   
   
sudo mv /var/lib/dpkg/info/* /var/lib/dpkg/info.bak
  
  

// After the previous step is completed, some files are generated in the new info folder. Now, all these files are moved to the info. bak folder.

  
  

   
   
Sudo rm-rf/var/lib/dpkg/info // Delete the info folder you created
   
   

   
   
Sudo mv/var/lib/dpkg/info. bak/var/lib/dpkg/info // rename the previous info folder
  
  

The problem has been solved successfully.

The above method can solve the problem in the second way;

  
  

   
   
for i in /usr/share/fonts/X11/* /usr/share/fonts/truetype/*
   
   

   
   
do sudo touch "$i"
   
   

   
   
done
  
  

Method 3:

  
  

   
   
sudo apt-get update --fix-missing
   
   

   
   
sudo apt-get autoremove && sudo apt-get clean && sudo apt-get install -f