Sandboxie

Sandboxie runs your programs in an isolated space which prevents them from making permanent changes to other programs and data in your computer. It offers secure web browsing by 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. It has enhanced privacy where browsing history, cookies, and cached temporary files collected while Web browsing stay in the sandbox and don't leak into Windows. It prevents wear-and-tear in Windows by installing software into an isolated sandbox.