1. Click the 'Start' button and then click the 'Run' option.
2. Type 'msconfig' into the menu and then press the 'Enter' button.
3. Click the 'Startup' tab, then uncheck the box next to the 'cdaengine0400.dll' entry.
4. Click the 'Apply' button and then click the 'OK' button.
5. Restart your computer to disable the error message.