Hey xJC,
I would reccomed you to this handy website: Trend Micro HouseCall - Free Online Virus and Spyware Scan - Trend Micro UK
It will scan youe whole computer for any viruses etc. Which is really useful, as you said, they have disabled many features.. so they could of quite easily disabled youe virus scanners from running right.

Once you have removed anything that needs removing using that online program... all should be okayish... Maybe

Jam

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