My laptop has suddenly seized up and I think it might be to do with a security conflict - Norton security scan appears to now be on my laptop through, I think, some vigorous pop-ups which must have got past me. I've just installed - reinstalled - AVG 2013 (no idea why I lost it in the first place) so feel reasonably protected and want to try to get rid of Norton Security Scan to see if that unblocks the slowness. But it won't uninstall, claiming always to be running. Any clues?
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