I've found it very good at removing deep routed stuff, and it's helped me remove some annoying reg entries that kept a now non existing company's security software reminder that was bundled with my machine.
...... Plus it allowed me to fix another reg problem (ask entries) that stopped me using IE.
(hide) If you don't want other users to know what you are doing you can change into cloak mode in Settings (paying members only). (pauloaguia) (show all tips)