Sub-process /usr/bin/dpkg returned an error code

I'm sorry to hear that you're encountering an error with the dpkg command. The "Sub-process /usr/bin/dpkg returned an error code" usually indicates an issue with the package management system on your system. Here are a few steps you can try to resolve this issue:

1. Check for broken dependencies: Run the following command to check if there are any broken dependencies:

   sudo apt-get check

If any broken dependencies are found, you can try fixing them by running:

   sudo apt-get install -f

2. Clear the package cache: Sometimes, issues can arise due to a corrupt or incomplete package cache. You can try clearing the package cache and then reconfiguring dpkg by running the following commands:

   sudo apt-get clean
   sudo apt-get autoclean
   sudo apt-get update
   sudo dpkg --configure -a

3. Remove conflicting packages: If the issue persists, it's possible that there are conflicting packages on your system. You can try removing any conflicting packages by running:

   sudo dpkg --remove <package-name>

Replace `<package-name>` with the name of the package causing the error.

4. Force package installation or removal: If the above steps don't work, you can try forcing the installation or removal of a package using the `--force` flag. However, be cautious when using this option, as it may lead to inconsistencies in your system. For example:

   sudo dpkg --force-all -i <package-name>.deb

Replace `<package-name>.deb` with the name of the package you want to install.

If none of these solutions work, please provide more details about the error message or any other relevant information, and I'll do my best to assist you further.