Security Update for Microsoft .NET Framework 3.5 SP1 on Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008 x86 (KB2416473)Installation date: ‎2/‎2/‎2011 6:38 PMInstallation status: FailedError details: Code 643Update type: ImportantA security issue has been identified that could allow an attacker to compromise your Windows-based system that is running the Microsoft .NET Framework and gain access to information. You can help protect your computer by installing this update from Microsoft. After you install this item, you may have to restart your computer.More information: http://go.microsoft.com/fwlink/?LinkId=202421Help and Support: http://support.microsoft.comIt turns out that this problem has recurred over the last few days. Anyone have any suggestions?1 person needs an answerI do too