my pc: 1.2 g amd processor
240 mb sdram
memorex 4x2x12

i am using dvdxcopy platinum and xpress. my problem is that for some reason it will read the dvd then say insert blank disc so i do and click start and when it is time to burn the disc it it gives me an error message and fail to burn. the log say this:

Load burn engine.
0040B480: New BLANK or ERASABLE DVD media has been inserted - progress is the media change count, starting from 1:
Writing Disc: BEVCOP2
0040B480: Gathering file from the path passed
0040B480: Generating image and cache
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Writing Movie:0
0040B480: Finished.
0040B480: Writing failed (write error or process aborted):
0040B480: Drive is not ready
0040B480: Blank media has been removed

can anyone tell me what the problem is?

thanks