The solution to the error Sub-process /usr/bin/dpkg returned an error code (1) under ubuntu

cd /var/lib/dpkg

sudo mv info info.bak #that is, back up an info

sudo mkdir info #Create a new info directory

Then use the following command to reinstall those error packages

sudo apt-get –reinstall install package name

At first, I wanted to install several packages at the same time in one command, but the result still appeared E: Sub-process /usr/bin/dpkg returned an error code (1) . So delete the new info and install them one by one. After each package is installed, delete the info and create a new one, so there is no prompt E: Sub-process /usr/bin/dpkg returned an error code (1) up.

Finally replace the new info with the original info.bak

sudo -rf info

sudo mv info.bak info

After entering sudo apt-get update, sudo apt-get upgrade and sudo apt-get autoremove, there is no E: Sub-process /usr/bin/dpkg returned an error code (1).

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