Every router has at least two IP addresses. It's a characteristic of how routers do their jobs.

Websites can collect a fair amount of information about you. Let's look at what every website sees.

Because Internet Explorer is really a component of Windows itself, uninstalling and reinstalling, while possible, is somewhat different than other applications and has different implications.

I'll review the characteristics of external drives and include a couple of specific recommendations.

Network failures after standby remain common, particularly in older machines. There are a couple of things to try.

If you're not getting spam now, you will soon -- and probably lots of it. What can you do? There's no magic answer, but there are various things you can do to help.

Entering your email address incorrectly might just be a typo, but it can have surprising ramifications.

An error caused my newsletter to come "From" the wrong address. Flooded with challenge/response mails, I wonder: what other messages are you missing?

Porn spam doesn't mean anyone did anything illicit. Everyone gets spam, and some of it is porn. Lack of spam doesn't imply you've been good, either.

We hear of Windows Update messing up computers. I'll look through one scenario and offer some advice and a reminder: it's not your fault.