Hi Helen,
Just read it. Clean log..
If Norton's about to expire, then I'd suggest
AVG as the way to go. It's free and very good. You can set it up to run automatically when you want (mine runs at 4am every morning) as well as it running in the background. When you start the machine it also automatically checks the boot sector, which if infected can cause serious problems.
I'd also suggest a firewall.
Zone Alarm is also free and about the best out there, certainly for ease of use. Read the "Read Me" when installing, and also take advantage of the 15 day trials of ZA Pro, given out everytime it's updated.
How did I get infected is a good read. It's written by Tony Klein, considered one of the world's leading authorities on Internet security. There is a second article on BHOs in the same post. Don't worry about understanding it all.. you don't need to.
Ask if you need any more help. I'm happy to do so.
Cheers
Liam
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A member of the
Alliance of Security Analysis Professionals since 2004.