There is some issue with Roxio or other software that installs what is noted as Upper and Lowerfilters. Some may be unaware of this issue or that some driver/other update diddled with the filters. This is OS SPECIFIC and no OS is mentioned so I'll just supply a link which may not apply.
http://www.roxio.com/en/support/kb/ecddvdc/ee6000150.jhtml
Again, what you need to research is that partial failures can occur and removing these entries may fix it. I will not supply an article about this, but you can research such on Google.
Bob
The DVDWriter that came with my HP computer is acting up. It will not read any data cds. It will however play music cds and DVD movies. It will not write any CD-Rs. It doesn't see the CDs. The disks just spin for about 20sec then the light goes out. When you go to 'My Computer' and click the drive you get a screen with no files listed. Anyone else ever have this problem? Know how to fix it? Or is my drive dead.

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