Yes, the update bricked the systems, meaning the software that powers their business was unaccessible, reinstalling any version of windows would not restore the software built on top of the os. Thus why it became a huge ordeal rather than a simple update push from Microsoft, a bricked system can’t receive a fix remotely.

Powerful combo, mastering shortcut keys opens up a whole realm of relaxed posture. Mouse is effective but weak in comparison to efficiency of the keyboard at least when editing text files.