Registry Tweak Enables Updates for XP SP2

@ 2010/08/12
Microsoft recently retired Windows XP SP2 on July 13, removing the tired-but-classic OS from its update roster. This meant that consumers still running XP SP2 wouldn't receive the emergency update for the LNK shortcut vulnerability (KB2286198). However Finland-based antivirus vendor F-Secure detailed a way for consumers to trick XP SP2 into (virtually) thinking its SP3, thus allowing Microsoft-sanctioned updates to resume.

The "trick" actually stems from a previous problem with Grand Theft Auto IV. When it was released in December 2008, the game wouldn't run on XP SP2. However gamers tricked the OS by editing this registry key: KLM\System\CurrentControlSet\Control\Windows. Gamers simply edited the DWORD value CSDVersion from 200 to 300. The trick became effective after a reboot.

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