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
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
Because it no longer receives updates, it is frequently flagged by security scanners (like Nessus or Qualys) as a vulnerability. Even the "newer" SP3 (version 4
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
Note. Support for XML Core Services 4.0 has ended. Support was only available for Service Pack 3. Microsoft Learn
Microsoft officially ended support for MSXML 4.0 in April 2014 .