I have this same problem/issue. Here is a copy/paste of the log after it found the Hijacker. It keeps coming back so if you have a way to get rid of it permanently please let us know!
Oh and I DO have the latest version of SE Personal.
IEHIJACKER.SEARCHEXE
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obj[8]=Regkey : interface\{b1e68d42-02c4-465b-8368-5ed9b732e22d}