I would keep both. SunJavaUpdateSched will download new versions of Java automatically when they become available. Windows Defender protect your system from spyware, unless you use another anti-spyware software I would keep it.

>The first one seems like a very nice utility. Now, I only see something in HKLM/Run tab.
>
>I unchecked ICQ, QuickTime and iTunesHelper here and I'm wondering what are these:
>
>igfxhkcmd
>igfxpers
>igfxtray
>
>SunJavaUpdateSched
>Windows Defender.
>
>Do I need them?