Lincoln SpectorContributing Editor, PCWorld

Freelance journalist (and sometimes humorist) Lincoln Spector has been writing about tech longer than he would care to admit. A passionate cinephile, he also writes the Bayflicks.net movie blog.

How to securely wipe sensitive files--or your entire hard drive

Rommel asked the Utilities forum for advice on cleaning files off a hard drive so that they can never be restored

Automatically delete a huge amount of duplicate files

Duplicate-file-finding programs expect you to manually check each file for deletion. That's not practical for Edward Derbyshire, who has "121,000 duplicates" to delete.

Cool down an overheated laptop

Gamersim17's laptop was "getting intensely hot." He turned to the Laptops forum for advice

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Regain your PC's administrator rights, even if you don't have the password

LouieB62 needs administrator-level access to his Windows PC, but he doesn't have the password. He asked the Answer Line forum for help.

Manage the tile-based slide show in Windows 8's Photo app

Walter Bott asked how he could better control Windows 8's built-in Photo app--the one that usually presents a small slide show in its Start page tile.

When malware strikes: How to clean an infected PC

Snuffing out viruses and malware is serious business. Here's how to diagnose, treat, and protect an ailing PC.

Privately share a video that only a select few can watch

Larry wants to make a video available, via streaming, to friends and family, and only to friends and family

For security's sake, upgrade to a newer version of Office

Russell Caplan still uses Office 2003, which Microsoft will stop supporting next year. He asked if he will need to upgrade to a more current version.

Improve performance with a hard drive upgrade

Alloystory asked the Laptops forum about speeding up a PC by replacing the hard drive with something faster.

Why some Web sites are much slower than others

John asked why one Web page "comes up right away, while another takes quite a long time to load."

Learn where you can--and where you cannot--play your Google content

Aviva received a $50 Google Play gift certificate. How does Google's formats and DRM policy effect where she can enjoy the music, movies, and books she buys?

on techhive.com

What to do when you can't boot from an external source

Externe can't boot his laptop from a CD or a flash drive. He asked the Answer Line forum for help.

File extensions control which application can open a file

BearPup sometimes wants to open a file in one program, and other times open it in another. He asked the Answer Line forum for an easy way to do this.

Keep your laptop battery healthy: Use it sparingly

Sibi Marcos asked about removing a laptop's battery to increase it's life.

Reinstall Windows on a new-to-you, used computer

Cydney Bulger bought a used computer that came with unwanted programs and content. What's the best way to make it like new?