Windows 10 upgrade stuck on preparing for installation screen

I'm attempting to install the upgrade from Windows 8.1 on a Thinkpad T450s, but windows update seems to be stuck at the "Preparing for installation" screen. All of my Windows processes are at idle according to the task manager. What is my issue and how can I resolve it?
 

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Last updated May 14, 2019 Views 2,561 Applies to: