Drive may be busy, not ready or empty

I am burning movies from the hard disk to a freecom device by using the Deepburner free package and the version is 1.9.0.228. it was working properly for more than six months.
But suddenly I’m getting an error message which displays that ‘Drive may be busy, not ready or empty’. After that I am using Verbatim DVD-R disks and the basic burnings are doing properly. I thought it is the problem with the hard disk and changed the hard disk. But the error still comes up.
I have also tried by changing the writing speed to very low, but there was no change in the result.
Please help me to fix the problem.
Thanks in advance.
