Unable to read MFT - 4GB Windows 10 NTFS single partition

This drive works fine, there are no file system errors? Just trying to recover deleted files.

Recuva 1.53.1087 (64-bit)

Here's the pertinent info from "testdisk"

disk_get_size_win32 IOCTL_DISK_GET_LENGTH_INFO(\\.\E:)=4000768327680

Disk \\.\PhysicalDrive1 - 4000 GB / 3726 GiB - CHS 486401 255 63, sector size=512 - HGST HUS724040ALA640, S/N:PN2361PBHL2***, FW:MFAOAA70