TeraCopy vs FastCopy vs Windows

[meandme]

let's say have w7 ultimate 64 bit and a 2 TB disk sata 2 , with a 280 GB dir mixed small/large files , and want to copy to another sata2 or sata3 disk , in the miidle of copying with a teracopy pro 212 I want to pause and stop the copy, all the process stop regular, but when rebooting machine w7 wonna start control the 2tb disk and find many errors in NTFS part table/space allocation/free space,..... be careful with large amount of files , this never succed with fastcopy, and with a better speed .....