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.
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.