Features new to Windows Vista Windows Vista, Internet Explorer operates in a special "Protected Mode", which runs the browser in a security sandbox that has no access to the rest of the operating system or file system, except the "Temporary Internet Files" folder. This feature aims to mitigate problems whereby newly discovered flaws in the browser (or in ActiveX controls hosted inside it) allowed hackers to subversively install software on the user's computer (typically spyware). Internet Explorer 7 in Windows Vista also exclusively supports Advanced Encryption Standard (AES) key lengths up to 256 bits outlined in RFC 3268 and certificate revocation checking using Online Certificate
Microsoft Windows version history of Windows. Windows ME was conceived as a quick one-year project that served as a stopgap release between Windows 98 and Windows XP. Many of the new features were available from the Windows Update site as updates for older Windows versions ("System Restore" and "Windows Movie Maker" were exceptions). Windows ME was criticized for stability issues, as well as for lacking real mode DOS support, to the point of being referred to as the "Mistake Edition" or "Many Errors." Windows ME was the last operating system to be based on the Windows 9x (monolithic) kernel and MS-DOS. On October 25,