Briefly describe your issue below:
how to fix this
Scanning application launchers
Removing duplicate launchers from Debian
Launchers are updated
E: Sub-process /usr/bin/dpkg returned an error code (1)
You need to give more info on what you are trying to do and how you tried to do it when asking questions. Otherwise they tend to go unanswered. Details, details, details.
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run : sudo dpkg --configure -a
also paste the output here
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