RegASSASSIN

RegASSASSIN is a lightweight and portable piece of software that enables you to delete Windows Registry entries, once it resets the key permissions. It can be easily figured out.
Since installation is not a prerequisite, you can just drop the executable file in any location of the hard drive, and run it immediately,
Otherwise, you can store RegASSASSIN on a USB flash drive or similar storage unit, and run it on any computer. This way, you can keep the app in your pocket whenever you're on the move.
What should be mentioned is that the Windows Registry section does not receive entry updates, and files are not left behind on the hard drive after program removal.
The interface of the program is represented by a standard window with a simple layout, so you shouldn't have any problems in figuring out how to work with this app.  The "what you see is what you get" principle clearly applies to the tool, since there are no other features available, aside from the ones visible in the main application window.
So, all you have to do is write the Registry key that you want to delete, and initialize the procedure with the simple click of a button. In addition, you can make RegASSASSIN reset Registry key permissions and to delete all the subkeys.
The program doesn't burden the computer's overall performance, since it uses a very low quantity of CPU and system memory. Its response time is good and it finishes a deletion job swiftly. Everything worked smoothly in our tests, and the app did not hang, crash or pop up error dialogs. Thanks to its intuitive layout and overall simplicity, RegASSASSIN should be figured out with ease by novices.