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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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Tag: Signing in to .NET Messenger Service failed because the Service is not compatible with the version of the program

Windows Messenger not working on Windows XP Home SP1

Q: I’m stumped…I have Windows XP Home Service Pack 1 installed on my computer, yet I can’t seem to send or receive instant messages. Whenever I try to sign on to Windows Messenger I receive this message: Signing in to .NET Messenger Service failed because the Service is not compatible with the version of the […]