Canslo'r uwchraddiad sy'n rhedeg? Efallai na fydd modd defnyddio'r system os wnei di ganslo'r uwchraddiad. Cynghorir ti yn gryf i ailgychwyn yr uwchraddiad.
Cancel the running upgrade? The system could be in an unusable state if you cancel the upgrade. You are strongly advised to resume the upgrade.