I used newest Eraser 6.2 version. I wanted to clean 1TB drives with target "drive/partition" and Erasure method: "First/Last 16kB Erasure"
Windows 7 Home Premium x64 - 1x 1TB USB drive
Windows 10 Home x64, Windows 2012 R2 Server Standard - 2x 1TB SATA drive.
All 3 systems had the same error...