Hi
Your log is fine.Nothing wrong.Just as a cleanup you can remove these four R1 red.clientapps from the log.
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar =
Yahoo! SearchBar Home Page
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page =
Yahoo!
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar =
Yahoo! SearchBar Home Page
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) =
Yahoo!