Often stuck forever or by far the longest while at 99% and 100%... especially when getting updated, that I would be forced to shutdown my computer because I can not afford to wait over an hour... then all ends up working seemingly fine... or... my touchpad throws my cursor straight to the top right... or my speaker with make a static noise when downloading... or my browser content will randomly* crash... or the internet on that PC will mysteriously disconnect while the internet for my Android still works perfectly... or... ... ...