How to uninstall uninstall MSXML 4.0 SP2 and SOAP Toolkit 3.0

Hi, I'm having problem installing Kaspersky internet security 2013 on Vista home premium, it keeps asking me to reboot computer over and over again. So I went to Kaspersky Lab forum for help and some tech support there suggested me to uninstall MSXML 4.0 SP2 and SOAP Toolkit 3.0 from my Vista.

Could anyone please help me to locate and guide me through how to uninstall there 2 programs. Thank you.