Msxml 4.20.9818.0 | Microsoft

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

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? Microsoft Msxml 4.20.9818.0

Note. Support for XML Core Services 4.0 has ended. Support was only available for Service Pack 3. Microsoft Learn You likely didn't install this manually

It was commonly included in or updated via Windows XP, Vista, and Windows 7. ✅ Should you keep or remove it? Microsoft XML Core Services 4.0 - Microsoft Lifecycle 🛠️ Why is it on your computer

Microsoft MSXML 4.20.9818.0 is a specific version of . It is an older system component used by legacy Windows applications to parse and process XML data. Critical Status: Obsolete and Insecure

This software is considered and a significant security risk.