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I started the "Internet required" scan, on my laptop, at a public library. I couldn't wait for it to finish so I left it running and took my laptop home where I don't have internet access. The scan finished and said I had no issues. So how long must I be connected to the internet after starting the scan to get an accurate result? And is it safe to assume that the scan finished even though not connected to the internet for the entire time? It would be difficult for me to leave it somewhere where it has internet access for the entire time. It took quite a few hours.