How do I bypass Websense at work with no proxies, no proxy sites, and no exe' s?

Every proxy site that I've gone to is blocked, the sysadmin took away ability to input proxies, and we can't run any exe files that we download. They also have circumventors blocked so you can't access your own IP. I also can't shut down certain system processes from the task manager. It says access is denied. I even tried using elevated commands from the command prompt and killing the task ID process.

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia��).