Honestly, everything about the Explorer feels 2 decades behind he rest of Windows 10. Like, the rest of MS is has moved on, but their file browser is like an IE6-esque albatross. Everything makes it lock up.
Connecting to a slow network share? Rclicked and one context extension is acting up? Just feeling cranky today? Well (not responding).
And if you want to close the (not responding) window, I hope you didn't want any of your other windows, including you in-progress file copies.
Therefore Explorer is no longer going to get any love from Microsoft.
You can’t do this in Windows and that’s also why you can’t delete in-use files or directories with files inside