In 2025 Windows 11 still cannot eject a USB drive consistently, or even tell you why. Arcane spells must be cast to compel Windows to loosen its invisible grip so you can remove your drive safely. Microsoft has billions to spend on slop factories instead. https://superuser.com/questions/491539/how-to-safely-remove-a-device-blocked-by-the-system-process-with-a-handle-on-e/685634