Sparker9 wrote:

A common rating for standard CD-RW discs is 4x (maximum). I have a 5 pack
of them sold a under the TDK label.

If the media is only rated at 4x, that's all you're going to get out of
it.

There are free utilities available that will read the media info for you.
Here's one of them: http://upload.cdfreaks.com/Kprobe/SMARTBURN2.0.zip

That may very well be the problem. I'm out of CD-R's right now. I'll
borrow one and try again.
Thanks for the reply!