Oh my goodness, I used the GNOME partition editor and just deleted it and it took like just a minute! Thank you so much for suggesting that, I was able to fix it immediately.

Two questions now,...

Hello, yes I'm trying but right clicking the partition (shown in the screenshot), only lists "Help."

I've tried using diskpart and it will not allow me to remove the partition that way either.
I...

I was trying to install Ubuntu on a separate partition on my secondary drive, but no longer need it as I got a laptop for it specifically. I deleted the volumes I had for Ubuntu "/" and "/home" but...