There's application virtualization like Sandboxie (http://www.sandboxie.com/ http://www.sandboxie.com/) or even Microsoft App-V (http://www.microsoft.com/system

There's application virtualization like Sandboxie (http://www.sandboxie.com/ http://www.sandboxie.com/) or even Microsoft App-V (http://www.microsoft.com/systemcenter/appv/default.mspx http://www.microsoft.com/systemcenter/appv/default.mspx).