Comodo Registry Cleaner

Comodo Registry Cleaner - Clean your Windows registry with one click of the mouse:

"The portable version of Comodo Registry Cleaner can be deployed on any kind of removable storage media. This application is designed to store its configuration information and data on the storage media containing its program files. You do not have to install the software on each computer. Instead the removable storage device is used to run Comodo Registry Cleaner on any computer."