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

This Web site 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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Windows 7 For Dummies on sale!

Windows 7 For Dummies

Drop by Amazon.com for big discounts on Windows 7 For Dummies, as well as the Windows 7 For Dummies DVD bundle.

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Archive for 'Error message'

Fixing those Low on Virtual Memory messages

Q: What is virtual memory? Windows XP keeps sending me messages that my virtual memory is low. Also, what does it mean when my computer says that I don’t have enough storage on my computer? A: Windows uses memory to run the programs you see on your screen. When Windows asks for more memory than [...]

Fixing pesky Windows Updates that refuse to install

Q: Windows Update says three important updates are available. But the downloads always fail, leaving an error code of 646. I’m frustrated. Can I simply delete those updates? If they never install, what’s the point of my computer continually reminding me that they are available for downloading? What do you recommend? A: Some updates not [...]

Windows 7′s Blue Screen of Death: Is my computer dying?

Faced with a Blue Screen of Death (BSOD) in Windows 7? Your laptop or computer may be overheating.

Is there an answer somewhere?

Q: I am 84 years of age and hooked on computers which I find indispensable in daily life. I often come across problems for which no answer seems available, even with advice from younger ones. Am I expecting too much from this wonderful machine, or is there an answer somewhere? A: Yes, there is an [...]

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, [...]