System, method, computer, and computer program and computer program product for safe usage of potentially malicious code and documents or other content to may contain malicious code. System and method for a virus and hacker-resistant computer. Method and system for supporting a computer systems self...http://www.google.ca/patents/US7788699?utm_source=gb-gplus-sharePatent US7788699 - Computer and method for safe usage of documents, email attachments and other content that may contain virus, spy-ware, or malicious code