MSXML 4.0 Service Pack 3 (Microsoft XML Core Services) I need to download this, to get an older version of Nero free to work. (you can choose not to use the toolbar) But when I try to click the icon, it fails to start the program. It gives this message: unable to create XML parser instance Please Reinstall Microsoft XML Core SErvices (MSXML) 4.0 SP2 or higher I read that if I try the MSXML 4.0 Svc Pack 3, it might work. The problem is, I don't know if it will work for Win8.1, or mess up my 8.1 version. If the file is in addition to, but not overwriting any current files like this, I would like to try it. But I don't want to mess anything up. I did create a system restore point just in case. But thought I was ask the computer folks before I tried this.