No, that didn't work.
Also, it used to work fine with these CD's anyway, so I think something must be wrong.
Another symptom I'm seeing is that while using Nero, it only gives me the option to burn at 2x, regardless of the media, whereas I used to be able to burn at 40x.
AMD Athlon 1.2 GHz 266FSB; Asus A7V-133; 512MB PC-133 RAM; Asus Geforce4 Ti 4200 8x; Seagate Barracuda 20 GB 7200rpm Hard Drive; Soundblaster Live! X-Gamer; Microsoft optical mouse; Cooler Master EP5-6I11 CPU Fan/Heatsink; Arctic Silver III Thermal Compo