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I'm one of today's best-selling computer book writers, with more than 15 million books in print.

This website keeps you up-to-date on my books, and your computers. Each week, I answer a reader's question on-line.

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Archive for 'Safety'

Preserving your privacy in Windows

Q: I sometimes visit sites that I don’t want others to know about. How can I hide these from other people who may visit my computer? A: The more you work with your computer, the more your computer knows about you. In fact, Windows probably knows a lot more things about you than you suspect. […]

How can I retrieve a forgotten Windows 7 password?

Q: My friend forgot his Windows 7 password. If I give him my Windows 7 System Repair Disc, can he restore his system to a point before he gave it a password? And will my System Repair Disc work on his computer? A: First, a lost password isn’t a problem in Windows 7. It’s no […]

Did I kill my power supply or my motherboard?

Q: Yesterday I built a desktop computer from parts that I’ve acquired over the past few years. While installing software today, I noticed that the power source wasn’t plugged all the way into the video card, so I pushed it in more tightly, and bam: The computer suddenly shut off, and it won’t turn back […]

Windows has blocked some startup programs

Q: In Windows Vista, I’m now seeing a small window appearing at the screen’s bottom-right corner saying, “Windows has blocked some startup programs.” How do I get rid of this message? A: You’re seeing yet another annoying Windows Vista feature. When you try to run some programs, Vista’s User Account Control (UAC) normally steps in, […]

The difference between “threats” and “threat agents”

Q: I was scanning my laptop for potential threats, and the scan results stated there was a “threat agent” on my laptop. I know what a threat is, but what’s a threat agent. Is there a difference? A: The word “threat” usually stands for a category of things that pose a potential danger. Viruses, worms, […]