I recently uninstalled the full version of Nero and replaced it with a less bloated version, installed Kaspersky Anti-Virus and Sunbelt Kerio Firewall. Since then however, Windows XP (SP2) won't recognize my USB CD/DVD drive. If I unplug the device and plug it back in again a baloon pops up saying "USB device not recognized". In device manager it lists the device as "Unknown device". My USB mouse is functioning perfectly well and the CD/DVD drive did before I made the changes. I've also tried it on another machine and it works fine there too.
Without reinstalling Windows what can I do?