Eric GeierContributor, PCWorld Follow me on Google+

Eric Geier is a freelance tech writer as well as the founder of NoWiresSecurity, a cloud-based Wi-Fi security service, and On Spot Techs, an on-site computer services company.

pups antivirus

These 5 antivirus suites keep potentially unwanted programs (PUPs) from biting

Potentially unwanted programs (PUPs) pack a nasty bite if left unchecked. The antivirus suite you already have may be able to catch and muzzle them.

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How to use OpenPGP to encrypt your email messages and files in the cloud

When online services lack privacy controls, you can roll your own using near military-grade encryption.

Future Wi-Fi

What’s next for Wi-Fi? A second wave of 802.11ac devices, and then: 802.11ax

While you consider which 802.11ac router to buy, the industry is working hard to render it obsolete. Here's what to expect in the next few years, as engineers tease more bandwidth and faster transmission speeds out of Wi-Fi.

Reset your Windows 8 password if you're locked out

Locked out? Get back into Windows 8 by resetting your password

A forgotten password is no need for panic. There are several ways to get back into your Windows 8 PC if you've locked yourself out.

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How to automate basic PC maintenance tasks

You can keep your PC in ship-shape by scheduling driver updates, backups and more using Windows' own utilities, plus some other (mostly) free software.

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7 easy tips to extend your PC's lifespan

PCs are pricey. These 7 tips and tricks can help yours live to a ripe old age.

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How to rescue your PC from ransomware

Don't negotiate with e-terrorists. Be a hero and rescue your hostage PC.

Meet WISP, the wireless future of Internet service

No cable or phone line required. No satellite lag. Traditional ISPs should be nervous.

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4 field service management solutions to keep your jobs on track

Scheduling, billing, inventory and client tracking -- these applications offer complete systems for managing your on-site service business.

Beamforming

All about beamforming, the faster Wi-Fi you didn't know you needed

It focuses the signal for faster transmission, and it's built into many of the latest 802.11ac routers.

Ditch your ISP's modem and change your Internet experience forever

If your ISP allows it, buying and installing your own modem can net you some sweet performance improvements and a cheaper monthly bill.

5 Wi-Fi security myths you must abandon now

Save yourself and your friends from these outdated or inaccurate security techniques, and learn the current best practices.