Hi .. My dad got a new laptop and it is Dell inspiron 3541 with windows 8.1
And today I was installing a program on it so it required a restart .. It restarted and started to update once it finished it appeared a massage "We couldn't update , undoing.. Please don't shut down and it stucked on this massage for along time then I tried to power it off and power it on again but the massage appeared again..

So please I need help as soon as possible.. Thank you