Download Windows XP 64 Bit Edition Security Patch: Unchecked Buffer in HTML Help Security Vulnerability from Official Microsoft Download Center

Windows XP 64 Bit Edition Security Patch: Unchecked Buffer in HTML Help Security Vulnerability

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This update resolves the "Unchecked buffer in HTML Help can lead to Code Execution" security vulnerability in Windows XP Professional. Download now to prevent a malicious user from running an unauthorized program on your computer.