To solve this Code 39 error, follow these instructions: - and 31.39

To solve this Code 39 error, follow these instructions: 

NOTE: After removing these registry keys and rebooting, it may be necessary to reinstall any CD or DVD   recording applications. 

1) Close all open programs 

2) Click on Start, Run, and type REGEDIT and press Enter 

3) Click on the plus signs (+) next to the following folders 

• HKEY_LOCAL_MACHINE SYSTEM 
• CurrentControlSet 
• Control 
• Class 
• {4D36E965-E325-11CE-BFC1-08002BE10318} 

4) This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the following names in the right hand column. 

• UpperFilters 
• LowerFilters 
• UpperFilters.bak 
• LowerFilters.bak 

5) If any of the above keys shown in step 4 are listed, right-click on them and choose Delete 

6) After deleting the keys, close the Registry Editor 

7) Reboot your computer 

8) Open My Computer and check to see if your CD or DVD drives have returned. You may also want to open Device Manager and verify that the yellow exclamation and error code on the CD or DVD drive is gone. 

Another possible CD/DVD issue you may want to investigate

If you have Adaptec Easy CD Creator, you may be receiving an Error Code 31 instead of Error Code 39, the same procedure above will work for the Error Code 31, 32, or 39.

Written by Mark Hasting