There. That sounds a bit more accurate.
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Anyway, google that error code. If nothing conclusive comes up, consider a format. If there's one thing I've learned in my time working in the IT industry, it's that a format is like a magic 'Fix All' button.
I've seen enough viruses target the windows firewall that by now if I for some reason can't turn on certain security features, I would just format asap.

