Here are instructions for removal Nero CD Burning ROM and other similar Nero products.
1. Download and install Uninstall Tool.
2. Find Nero CD Burning ROM in the programs list (or just type "nero" to find it immediately).
3. Double click on the found item in the list and wait while uninstall process is finished. Carefully follow all uninstaller's instructions.
4. Uninstall Tool will remove all leftover traces afterwards (using Uninstall Wizard ™ technology).
If you haven't found the program in the list, try browsing System category. You may also try Force Removal feature to remove the entry completely from your system registry.