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Internet Fixes

Sneakier spam, wilier worms, more aggravating ads...no wonder it feels like your PC is under assault. Fight back with these simple steps for keeping the latest pests at bay.

Kim Zetter and Dylan F. Tweney

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The latest viruses spread through everything from your instant messaging client to your file sharing program. Annoying new ads hijack your browser without your even clicking them. Spam greeting cards send themselves to everyone in your address book. Next-generation auction swindles exploit what's supposed to be one of the safest ways to do business online. But you can turn the tide against these pernicious pests.

What follows is our field guide to the newest threats to your PC--from hackers to sneaky adware--and the tools you need to send them packing. We'll direct you to the most important fixes for Windows and common applications. We also point out where you need to be careful about otherwise good patches that may introduce more bugs.

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