Download Visual Studio .NET 2003 Service Pack 1 GDIPLUS.DLL Security Update from Official Microsoft Download Center

• A security issue has been identified that could allow an attacker to compromise your Windows-based system running Visual Studio .NET 2003 Service Pack 1 and gain complete control over it. You can help protect your computer by installing this update from Microsoft.
  
  This update uses Windows Installer technology which uses an internal database for recording the installation state for any products and patches based on Windows Installer technology. Under certain conditions the Windows Installer database may contain invalid file hashes for un-versioned files, and when you try to install an update you may see a prompt for providing the source CD or other media that was used for installing the original product. Running the update may result in an update to the Windows Installer database on your PC to rectify this problem.

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