Analluogwyd rhai cofnodion trydydd plaid yn sources.list. Galli di eu galluogi eto wedi'r uwchraddiad gyda'r teclyn 'priodweddau-meddalwedd' yn dy reolwr pecynnau.
Some third party entries in your sources.list were disabled. You can re-enable them after the upgrade with the 'software-properties' tool or your package manager.