I dont know if I'm right here, but I think I might have found the problem.
C drive has my operating system on it.
D drive is my NEC dvd+rw ND 1100A
E,F,G,and H are removable drives ie multiple card reader
and
I drive is my Sata drive which is only used for storage of my documents and photographs.
As the event viewer found a problem "The driver detected a controller error on\device\harddisk2\D" I downloaded the flash utility for the dvd player from NEC and when I tried to run it, I got a message saying "Drive not detected"
Could this be the problem ?