runAsLimitedUser
runAsLimitedUser is quite simple. It automates the process of using the built in 'RunAs' command in Windows. It does this for a user with an account that is not member of any user groups on your machine, i.e an account with very restricted privileges. Being a Windows shell add-in, it adds a menu item, 'Run as Limited User' to links and EXE's. You can right-click on a short-cut or an EXE and choose 'Run as Limited User' and the application is started using the limited account. It's an easy way to test-run an application in a sandbox-like environment.
Upon installation, a new account is created with a randomized password. The password is encrypted and stored on your computer using the Data Protection API available on Windows and as such, should be very hard to break.
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runAsLimitedUser runs on Windows XP and Windows Vista. runAsLimitedUser is free and you can get the setup here: runAsLimitedUserSetup.exeDisclaimer
runAsLimitedUser, AND ANY AND ALL ACCOMPANYING SOFTWARE, FILES, DATA AND MATERIALS, ARE DISTRIBUTED AND PROVIDED "AS IS" AND WITH NO WARRANTIES OF ANY KIND, WHETHER EXPRESS OR IMPLIED.