Why do I recommend backing up before almost everything? A complete system image backup is much more than lost-file insurance. It's the closest thing to a silver security bullet for your computer.

An external drive stopped working, and important files lived on it. One simple habit can keep you from ever facing loss like this.

Locked out of an account for good? It happens more often than you think, and it's almost always avoidable. I'll explain the steps you can take today to make sure you're never permanently shut out.

Drowning in 300 junk emails a day? You can't stop spam completely, but you don't have to suffer, either. I'll cover why blocking and unsubscribing make things worse, and share one simple habit that trains your inbox to clean itself.

Wondering why your promo emails go unanswered? There is a good chance they are going straight into spam folders. I'll describe three things that make your emails look like spam, and what you can do to fix them.

The moment you hit Post, copies of what you shared start spreading. Marking it private won't stop it. Deleting it won't fix it. I'll describe what happens to everything you put online, and why it matters.

Your computer goes to sleep just fine, but waking it up? Sometimes it comes back without a hitch. Other times, the screen stays dark and nothing works. I'll discuss why sleep mode can be unreliable and what you can do about it.

There's a surprising and counterintuitive technique related to how some encryption tools work: your password is not what locks your data. I'll describe what keeps your data secure and why changing your password doesn't always mean re-encrypting all your data.

Instagram just killed its encrypted DMs. But here's the real story: most people never had it turned on to begin with. If you care about keeping your conversations private, I'll share which apps I recommend.

Device drivers are behind-the-scenes software that make your hardware work. I'll discuss the right way to update drivers and explain why to avoid driver update services.