Don't-Miss Windows Stories

Speed up a slow PC without buying new hardware

Gamersim17 complains that his PC is "moving extremely slowly and not performing like it should." He asked the Desktops forum for advice.

When Windows breaks: How to fix it, piece by piece

Your browser goes bonkers! Your firewall freaks out! No worries: Windows can repair many problems itself. Here's how.

Disable Windows' logon password

Don doesn't need to keep other people off his PC. He asked me how he could skip the logon screen and boot directly into Windows without a password.

Where did my volume icon go?

Or: "How come I have to click the System Tray arrow to see my volume icon?"

How to open a file with a strange extension

Red Eye Rose received a file with a strange extension. She doesn't know into what program she should load it. Neither does Windows.

Understand the limits of a virtual computer

Amin Inshassi asked the Desktops forum for details about what can and can't be done with a virtual machine.

What to do if your PC shuts down and automatically reboots

Norman Barrett's PC is "stuck in a boot loop." When he tries to start it, it continually reboots and starts over.

Control how Windows locks down and saves power when you're not using it

What happens when you get up and walk away from your PC? I answer a reader's question about setting Windows to secure itself and save power when not in use.

Keep other people off of my PC

Aris Cristian doesn't mind friends using his PC, but he worries that they might damage Windows or his files.

Switch to Mac: How to find your favorite Windows features in OS X

Moving to the Mac? OS X can do everything your Windows machine can—the trick is knowing where to look. In this Macworld video, PC World associate editor Alex Wawro explains where you'll find your preferences, how to access familiar programs, and more.

Learn which startup programs are safe to remove

Free utility Should I Remove It? uses crowd-sourcing to help you figure out which items you can ditch.

How to fix your PC's worst annoyances

Slow startups. Endless software updates. Locked screens. Find relief here.

How to sidestep accidental mouse clicks

Clicking the wrong place at the wrong time can have disastrous results. But if you catch yourself in time, there's a fix.