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
Windows Vista the table. The maximum number of logical processors in a PC that Windows Vista supports is: 32 for 32-bit; 64 for 64-bit. The maximum number of physical processors in a PC that Windows Vista supports is: 2 for Business, Enterprise, and Ultimate, and 1 for Starter, Home Basic, and Home Premium. Microsoft occasionally releases updates such as service packs for its Windows operating systems to fix bugs, improve performance and add new features. Windows Vista Service Pack 1 (SP1) was released on February 4, 2008, alongside Windows Server 2008 to OEM partners, after a five-month beta test period. The initial