Windows Registry is filled with "rubbish" because the process usually uninstall the program, so leaving less perfect entries. Free Registry Cleaner can be used to find entries such as these with a thorough and menyingkirkannya.
As a precaution when there is a wrong, the program can make backups before making changes.
Info : www.eusing.com
OS : Win 98/ME/NT/2000/XP/Vista
Download : Free Registry Cleaner 2.0