Why does my Nokia Lumia crash when installing a critical update?

[Windows Central Question]

why does my nokia lumia crash when installing a critical update

Hi, I was told there was a critical update needed on my windows nokia lumia, which would be installed automatically if I didn't install it just now. But each time I have tried my phone gets stuck on the cog screen and I end up having to restore my phone, using the retail software I have, what is the going on, why is it causing my phone to crash?

 

[Guytronic]

Re: why does my nokia lumia crash when installing a critical update

Probably not enough mass memory available on your phone.