On April 25, 2006, Microsoft began distributing Windows Genuine Advantage Notifications[4] as "critical update" KB905474 to Windows users. For Windows 7, KB971033 has the same function.[5] Back in 2006, users with copies the WGA believed to be unlicensed were exposed to alerts[6] at startup, login, and during use of the Windows OS, stating that they do not have a genuine copy of Windows. Users with legitimate copies are not supposed to see the alerts (although some do anyway[7]). On May 23, 2006, Microsoft updated the program, closing some forms of circumvention, but reportedly not all.[8] It was updated again on May 30, June 6 and June 27, 2006, though some forms of circumvention are still usable. The latest versions do not roll out worldwide at the same time: the dates given are the earliest dates on which the versions appeared, so the actual version being offered in some places will be an earlier version than the latest release. It is still possible to opt out of receiving this update using the "do not show" option at the Windows Update site (Windows XP), and the "Hide" option in the right-click menu of Windows Update in Control Panel (Windows Vista/7/8). In addition to these notifications, Windows Genuine Advantage will also notify users with the message "This version of Windows XP is no longer secure" if users on an XP Operating System are not using Service Pack 3, and it will provide a link to help users to update their systems to the new service pack.
The version of Windows Genuine Advantage Notifications released November 29, 2006, had a changed install process to inform the user of what the program does, and can also be set to automatically update to newer versions of Windows Genuine Advantage Notifications. It also informs users that may have a non-genuine version of Windows why their Windows version isn't being reported as genuine. However, unlike previous releases, it started being only automatically delivered to Windows machines using four widely distributed product keys.[9]
Even if WGA does not really make the operating system unusable, no updates except critical ones can be downloaded from Microsoft. Rather than just disallowing updating, Windows Vista originally ran in reduced-functionality mode if found by WGA to be compromised[22][23] if a product has not been considered genuine which has made some people compare WGA to time bomb software.[24][25][26] Windows Vista SP2 has removed this behavior and reverted to the nag-only methods of Windows XP.[27]
The WGA program can produce false positives (incorrectly identifying a genuine copy of Windows as "not genuine"). This can happen for any number of reasons such as failed updates, etc. Microsoft has established a forum to help users encountering problems.[37] In February 2007, a "Not Sure" section was added to the program, in case of an incorrect reading.[38]
The Windows Genuine Advantage validation is required when you request a genuine Windows download from the Microsoft Download Center or from Windows Update. The validation process applies to the following Microsoft Windows XP editions:
All users of genuine Windows and non-genuine Windows software can access security updates through Automatic Updates. The Windows validation is required to make sure that customers have access to the latest features, updates, and support from Microsoft.
To validate your Windows XP software, visit the following Web site, and then click Validate Windows:
the validation is unsuccessful, you will receive a description of why the software is not genuine Windows software. Additionally, you will receive information about how to obtain genuine Windows software.
The Windows Genuine Advantage validation is required when you request a genuine Windows download from the Microsoft Download Center or from Windows Update. The validation process applies to all Windows Vista editions. This includes the following editions:
All users of genuine Windows and non-genuine Windows software can access security updates through Automatic Updates. The Windows validation is required to make sure that customers have access to the latest features, updates, and support from Microsoft.
To validate your Windows Vista software, visit the following Web site, and then click Validate Windows:
The program uses either a stand-alone program to generate a key or an ActiveX control to discover whether the license key is valid; either way an Internet connection is required. If WGA determines that a user's copy of Windows is unauthorized but was installed from seemingly-legitimate media (i.e., the CD and holographic emblem present on real copies of Windows seems genuine), then Microsoft will supply the user with a new CD. Microsoft also offers discounts to people who want to purchase a legitimate copy of Windows but do not have a valid CD. Microsoft has indicated that they will continue to deliver critical security updates through their Automatic Updates service as well as via the Microsoft Download Center, so that all systems, including those that fail to pass validation, will still continue to receive critical security updates.
On April 25, 2006, Microsoft began distributing Windows Genuine Advantage Notifications as "critical update" KB905474 to Windows users. For Windows 7, KB971033 has the same function. Back in 2006, users with pirated copies were exposed to alerts at startup, login, and during use of the Windows OS, stating that they do not have a genuine copy of Windows. Users with legitimate copies are not supposed to see the alerts (although some do anyway
The version of Windows Genuine Advantage Notifications released November 29, 2006 had a changed install process to inform the user of what the program does, and can also be set to automatically update to newer versions of Windows Genuine Advantage Notifications. It also informs users that may have a non-genuine version of Windows why their Windows version isn't being reported as genuine. However, unlike previous releases, it started being only automatically delivered to Windows machines using four widely-distributed product keys.
On November 16, 2005, Microsoft released a standard Netscape WGA plug-in to complete the Windows validation process from Mozilla Firefox and other Gecko-based browsers (including Netscape) - although it does not use the Firefox extensions system, and thus is not supported by the latest version of the browser. It does not work in other NPAPI browsers such as Opera. Another workaround was released on December 25, 2005 to bypass WGA authentication by using a valid hash generated by a remote system. Microsoft responded with a cease and desist letter to the website host, and the workaround was taken down on January 6, 2006. Many people continue to validate on the Microsoft website from a public computer using a genuine copy of Windows, then write down the hash and continue to use it at home or work. As of July 2006, Microsoft had not prevented people from disabling WGA in this manner. On May 4, 2006 Microsoft announced lawsuits for allegedly distributing unauthorized copies of Windows against eDirectSoftware of Montana, and Chicago-area resellers Nathan Ballog and Easy Computers.
Even if WGA does not really make the program unusable, no updates except critical ones can be downloaded from Microsoft. Rather than just disallowing updating, Windows Vista originally ran in reduced-functionality mode if found by WGA to be compromised if a product has not been considered genuine which has made some people compare WGA to time bomb software. Windows Vista SP1 has removed this behavior and reverted to the nag-only methods of Windows XP.
The WGA program can produce false positives (incorrectly identifying a genuine copy of Windows as "not genuine"). This can happen for any number of reasons such as failed updates, etc. Microsoft has established a forum to help users encountering problems. In February 2007, a "Not Sure" section was added to the program, in case of an incorrect reading.
905474 Description of the Windows Genuine Advantage Notifications application
When you use a non-genuine version of Windows, you receive a message when you log on that states that the copy of Windows appears to be non-genuine. Then, you are directed to the WGA Web site to learn more. If you do not want to obtain a genuine copy of Windows, you receive periodic messages that notify you that the copy of Windows appears to be non-genuine.
Note If you are running a genuine copy of Windows and want to use WGA Notifications, you may receive messages to update Windows XP.
Regardless of genuine status, users are not denied access to critical updates. However, users who have not successfully validated their copies of Windows XP cannot install other updates such as those for Windows Internet Explorer and Windows Defender, and they will not have access to downloads that are reserved exclusively for users of genuine Windows.
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