Do you have the universe repo enabled in your sources list?
If not:
http://archive.ubuntu.com/ubuntu/pool/universe/g/gnucash-docs/gnucash-docs_2.0.0-1_all.deb
Does the help show after installing the above package?
Do you have the universe repo enabled in your sources list?
If not:
http:// archive. ubuntu. com/ubuntu/ pool/universe/ g/gnucash- docs/gnucash- docs_2. 0.0-1_all. deb
Does the help show after installing the above package?