There are no instances of “Generic Host Process for Win32 Services” in the list. The nearest item is "Host Process for Windows Services" which is already marked as "Allow". So no joy there, I'm afraid ...
Downloaded Deckard's Scanner and results copied below:
Deckard's System Scanner v20071014.68
Run by Michael on 2008-08-02 15:26:34
Computer is in Normal Mode.
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Combofix downloaded and run as instructed, but, after creating a restore point, the program stops with the Window message "Windows Command Processor has stopped working"! Is there some other action I ...