(Software 3.36.0) Add, remove or update software on this computer
Software update selecting the (Update Tab) list:
Polari 3.38.0-1 -> 3.3,8.0-2
Settings 3.38.1-1pureos6 -> 3.38.1-1pureos7
Thybderbird 78.11.0-1 -> 78.11.0-2
Selecting (Download) = Unable to download updates: The following package have unmet dependencies
Problem has existed since first boot.
I have upgraded & updated using Terminal but no change in the Software Application.