Security updates for August 13, 2013

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Weird AV software

Bob writes:

My antivirus software keeps turning off and I can't get it back on.

Here are the most common reasons you might encounter this problem:

• Your computer is already infected with rogue security software.
• Your computer is running more than one antivirus program.
• You might have a virus.

Learn more about why your antivirus software might be acting funny and what you can do about it

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