Slow shutting down of laptop?

Oh my god it's already 15 mins and my laptop is still logging off! :'(
It's Lenovo Intel Pentium hdmi 1080p output.

It has obviously crashed - hold down the power button for 20s to force a shutdown. If it keeps on happening post back with details of operating system and any new programs you may have installed

It is probably doing updates. Do NOT interrupt it or you may trash the system.