Download of Security Update for Windows XP (KB954459) 9.5.4459 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. Commonly, this program's installer has the following filename: wupdmgr.exe.
The most popular versions among the program users are 9.5 and 1.0. The software lies within System Utilities, more precisely System Optimization. We recommend checking the downloaded files with any free antivirus. The actual developer of the free software is Microsoft.
From the developer:
Security Update for Windows XP (KB954459) is a free program that resolves a security issue which has been identified in Microsoft XML Core Services (MSXML). The program prevents a security breach that allows an attacker to compromise your Windows-based system and gain control over it.
You may want to check out more software, such as Security Update for Windows XP KB2705219, Security Update for Windows XP KB2727528 or Security Update for Windows XP KB2807986, which might be related to Security Update for Windows XP (KB954459).
System Optimization
Personal Security