Even though there wasn't the same problem with Lite-On 5226S and the same GSA-4120B
Just one Liteon and one LG.
Thats not my problem.
I believe, this behaviour is a nero bug, because i never saw neros buffer, which is always at 100% or less depending on data transfer speed, hanging at exactly 49% neither more nor less.
My problem is, i cannot do a simulation burn, neither with DVD+RW, DVD-RW, CD-R nor with CD-RW.
I remembered DVD+ doesn't support test write, but just for complete list.
My LG doesn't offer simulation at all.
I have no DVD-R, but the drive should support CD-R write simulation.