FreeFileSync Forum

This error window keeps popping up to
report the problem copying large files
to an empty directory:


Cannot write file "N:\20170719\MyLargeFileName.819e.ffs_tmp".

Error Code 5: Access is denied. [BackupWrite]

I am running FreeFileSync v9.2 on Windows 10 64-bit.
I copied a Dell laptop directory containing 7.39
Gigabytes from an internal SATA disk to a USB 3.0
external disk attached to a USB 2.0 port on the laptop.
The destination directory on the USB disk was
empty and I used a Mirror operation to copy ...