There is NO HiJackThis log.

 Go to your Device Manager. Double click on the + sign next to DVD/CDROM drives to open it. Choose one of them, right click and choose UNINSTALL. Click ok. Shut down the computer, reboot the computer, unless you have removed some IMPORTANT files playing with codec's then XP should find a "new" drive and install the drivers
Do the same with the next one.
Then do the same with your speakers.