Ultraviolet's chip is explained to require regular software updates, just like a smartphone, with the explanation that without the updates, it will stop working and she will die. This is not how software updates work. Computers do not "require" updates in order to keep working; the updates are to update the system with bug-fixes and new and improved features. Without an update, a computer will simply continue running just as it had been.
Caitlin's surgery on Ultraviolet. The operating room isn't sterile, nobody is wearing a mask or any kind of facial covering, and Caitlin is performing the surgery all alone without any kind of assistants.
Chester P. Runk says that the blast radius of an explosion will be 40 square miles. Blast radius is measured in units of distance. Square miles is a unit of area, not of distance.