Kali on Win10 Home 64 'Could not find an open hard disk with UUID'

OK. First TOTAL noob warning.
Installed VBox yesterday in order to set up Kali Linux VM. Installed fine. Worked fine. Open again this morning and...
I've seen posts which allude to this but I've either found answers that don't work or which I can't follow on account of my noob-ness.
Kali Linux 64bit v2019.2 on VBOX v6.0.10
VBox Log and Hardening log attached.
Please God help me.
Installed VBox yesterday in order to set up Kali Linux VM. Installed fine. Worked fine. Open again this morning and...
Could not find an open hard disk with UUID {e9bb74fa-120f-4326-9eb0-6d5673ce1258}.
Result Code: VBOX_E_OBJECT_NOT_FOUND (0x80BB0001)
Component: VirtualBoxWrap
Interface: IVirtualBox {d0a0163f-e254-4e5b-a1f2-011cf991c38d}
I've seen posts which allude to this but I've either found answers that don't work or which I can't follow on account of my noob-ness.
Kali Linux 64bit v2019.2 on VBOX v6.0.10
VBox Log and Hardening log attached.
Please God help me.