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

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

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.