Deletion failiure for VirtualBox Snapshot - E_OUTOFMEMORY (0x8007000E)

It's not possible to delete snapshot of virtualbox  

Result Code:  E_OUTOFMEMORY (0x8007000E)

Because it's too big.

Delete snapshot files in the snapshot folder manually.

Release and remove from Virtual Box Disk Manager.

Reference.

How To Troubleshoot VirutalBox Out of Storage

https://www.nextofwindows.com/virtualbox-unable-to-merge-not-enough-free-storage-space