Hi Im new here

! Im spanish, exuse my english.
When burning 90 min CDs with Nero I get these messahges: power calibration error, couldnot perform dao,invalid write state and the CDs where unreadable. I searched the firmware of my writer but I didn't find my model and I sent a message to LG.
I installed and run a capacity test with Feurio and get this message:

What does it means?