free download Portable Windows Repair
This is the portable version of Tweaking.com - reform of Windows (Windows Repair). This application is designed to provide users with a simple solution to fix some Windows system problems, through the System Restore Settings tools to the default options.
Since the installation is not a prerequisite, you can put the program files anywhere on your computer and run the executable file immediately.
Alternatively, you can move Tweaking.com - Windows Repair to external storage unit such as Flash Drive to run it on any computer without the need to install the software.
And there is a very important factor is that the program does not put entries in the Windows system logs, which means that the program does not leave any tracks in the system when you delete it also occur with other programs that are harmful to slow.