When you launch unknown programs, you're running the risk of letting them freely access your system – a risk you can easily avoid with Sandboxie. Sandboxie is a handy tool to test untrustworthy software without putting your system in danger.
This handy app sits between your system and the programs you run, keeping them inside an isolated portion of your hard disk: the sandbox. So if the program you're testing tries to apply any changes or harm your system in any way, it won't affect your computer, because all changes will remain inside the sandbox
You can freely try programs that you don't trust, without any immediate risks for your system. All files created in your sandbox remain inside it and are deleted when you close it, though the program has a special feature ('Quick Recovery') to recover them. 
Sandboxie also features an extensive settings menu and is thoroughly documented, including a tutorial to get you started. You should be aware though that this is no replacement for your standard security apps, and that it may not be compatible with all the software you want to test.
Benefits of the Isolated Sandbox
- Secure Web Browsing: Running your Web browser under the protection of Sandboxie means that all malicious software downloaded by the browser is trapped in the sandbox and can be discarded trivially.
- Enhanced Privacy: Browsing history, cookies, and cached temporary files collected while Web browsing stay in the sandbox and don't leak into Windows.
- Secure E-mail: Viruses and other malicious software that might be hiding in your email can't break out of the sandbox and can't infect your real system.
- Windows Stays Lean: Prevent wear-and-tear in Windows by installing software into an isolated sandbox.
* Get more information and free download at the HomePage of SandBoxie:
