Windows Vista SP1 – the truth of what's inside


    Direct from Microsoft the following information is what updates will be contained in Vista Service Pack 1.


    • Provides security software vendors a more secure way to communicate with Windows Security Center.
    • Includes application programming interfaces (APIs) by which third-party security and malicious software detection applications can work with kernel patch protection on x64 versions of Windows Vista. These APIs help ISVs develop software that extends the functionality of the Windows kernel on x64 computers without disabling or weakening the protection offered by kernel patch protection.
    • Improves the security of running RemoteApp programs and desktops by allowing Remote Desktop Protocol (RDP) files to be signed. Customers can differentiate user experiences based on publisher identity.
    • Adds an Elliptical Curve Cryptography (ECC) pseudo-random number generator (PRNG) to the list of available PRNGs in Windows Vista.
    • Enhances BitLocker Drive Encryption (BDE) to offer an additional multifactor authentication method that combines a key protected by the Trusted Platform Module (TPM) with a Startup key stored on a USB storage device and a user-generated personal identification number (PIN).


    • Improved reliability and compatibility of Windows Vista when used with newer graphics cards in several specific scenarios and configurations.
    • Improved reliability when working with external displays on a laptop.
    • Improved Windows Vista reliability in networking configuration scenarios.
    • Improved reliability of systems that were upgraded from Windows XP to Windows Vista.
    • Increased compatibility with many printer drivers.
    • Increased reliability and performance of Windows Vista when entering sleep and resuming from sleep.


    • Improves the speed of copying and extracting files.
    • Improves the time to become active from Hibernate and Resume modes.
    • Improves the performance of domain-joined PCs when operating off the domain; in the current release version of Windows Vista, users would experience long delays when opening the File dialog box.
    • Improves performance of Windows
    Jason Cartwright
    Jason Cartwright
    Creator of techAU, Jason has spent the dozen+ years covering technology in Australia and around the world. Bringing a background in multimedia and passion for technology to the job, Cartwright delivers detailed product reviews, event coverage and industry news on a daily basis. Disclaimer: Tesla Shareholder from 20/01/2021

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