Toolbox 4.6 Error

Basically I bought a new dvd drive which im trying to spoof with my orginal key, ive got everything connected up fine my drive does appear in windows and is in modeb, however once I have clicked spoof firmware and click "flash string ID" using the 59.exe as im trying to get the rom version to version 59 I get the error Verify for sector 3D000 failed a box comes up asking to retry each time I click yes the same box comes back each time I click no I get the next error which is "3E000".