lg-5163d super multi

Help.
I turned on my comp and was going to check the (book type) on DVD-decrypter befor doing a download with AnyDVD&CloneDVD2,and up poped aI/O error. I don`t know how to paste this ,so I will type out what I have// Device [0:0:0} hl-dt st-dvd ram Gsa5163d(G (usb). ScsiStatus 0x02;Interpretion:checkCondition....(db:ao 00 00 00 00 00 00 02 08 04 00 00 (0). Sense Area 70 00 05 00 00 00 00 10 ao 02 00 0e 24 00 00 c0 00 07 00 00 00 00 00 00... Interpretation Invaled Field In CBD// Then After I click CAncel, Because Retry wont do anything,here is what I get// Disc Authentication Failed// Device (000) hl-dt-st dvdram gsa-5163d A103 (g) usb. Reason Failed to get Disc Key.. Please can anyone tell me what kind of problem I have,and how I go about trying to get it fixed. If this helps,the (5163d) is External. have It hooked up to Sony Vgn-a290 laptop, Have not had any trouble till now , got the device in Sept,05 and have burned a lot of discs. By the way I was able to BookType the External burner,but when I Ok it and try to bring up DEcrypter It has the same as above. It says that my booktype was Ok, still getting Error, Any help will be greatful..
Thanking You In Advance
Andy