Microsoft Msxml 4.20.9818.0 May 2026

This software is considered and a significant security risk.

Note. Support for XML Core Services 4.0 has ended. Support was only available for Service Pack 3. Microsoft Learn Microsoft Msxml 4.20.9818.0

4.20.9818.0 is an older sub-version of SP2. Even the "newer" SP3 (version 4.30.2100.0) is also now unsupported. 🛠️ Why is it on your computer? This software is considered and a significant security risk

You likely didn't install this manually. It usually arrives in one of two ways: Microsoft Msxml 4.20.9818.0