Windows Articles | Tom's Guide

The best antivirus software in 2020: Free antivirus and paid software

By Paul Wagenseil

Here is the best paid and free antivirus software available based on each program's malware detection, performance impact and extra features.

Windows 10 May 2020 Update windows hello

Windows 10 May 2020 Update gives Microsoft two more ways to kill the password

By Henry T. Casey

The Microsoft Windows 10 May 2020 Update unlocks two new places to use Windows Hello. Here's what you need to know.

Windows 10 KB4556799 is creating BSODs like this

Nasty Windows 10 update is crashing systems and hiding files: What to do

By Henry T. Casey

Windows 10 KB4556799 is the latest update to wreak havoc on users. Here's how to fix it.

Scary Thunderbolt flaw leaves millions of PCs vulnerable: What to do

Scary Thunderbolt flaws leave millions of PCs vulnerable: What to do

By Kate Kozuch

Thunderbolt port flaws let attackers with physical device access steal encrypted data using a couple of portable tools in just five minutes.

Nasty Windows 10 flaw breaks Windows Defender: Protect yourself now

By Henry T. Casey

A Microsoft malware-definition update has borked the built-in Windows Defender antivirus software, but we've got a solution.

Windows 10 update is 'breaking' PCs — what to do now

By Mark Spoonauer

The Windows 10 KB4541335 update is causing major problems for users, including some blue screens of death

Computer rendering of coronavirus organism, tinted orange.

'Coronavirus' malware can wreck your PC: What to do

By Paul Wagenseil

New coronavirus-themed malware wipes a PC's Master Boot Record, stopping it from starting up.

Windows 10 has serious internet bug: How to patch it right now

By Richard Priday

VPN and proxy users are having trouble getting Windows 10 and Microsoft apps to connect to the internet. But there's an optional fix you can download right now.

Windows 10 updates halted due to coronavirus — with one exception

By Jesus Diaz

Microsoft has announced that it will halt all optional Windows 10 updates starting in May, only delivering critical security patches.

Scary Windows 10 flaw exploited for 'targeted attacks' — and there's no fix

By Kate Kozuch

A Windows flaw is being exploited by attackers, according to Microsoft. But there's no fix yet.

Windows 10 bug reportedly cripples built-in antivirus: What to do

By Kate Kozuch

Windows Defender, the antivirus component of Windows 10, is skipping files during security scans for no apparent reason.

Windows 10 video reveals brand new interface — here’s what it’s like

By Jesus Diaz

Microsoft has published a video that provides the best look yet at the new Start menu and other new user experience details.

Computer worms crawling over a circuit board.

Dangerous Windows flaw could lead to mass worm attack: What you can do [UPDATED]

By Paul Wagenseil

Microsoft disclosed a Windows flaw, but didn't patch it, leaving users scrambling to take whatever measures they could.

Coronavirus map by Johns Hopkins University

Fake coronavirus map infecting computers: Protect yourself now

By Paul Wagenseil

Online crooks have cloned the Johns Hopkins map that tracks coronavirus and are using it to spread malware.

Windows 10's latest bug might slow down laptops like the pictured Dell XPS 13

Windows 10 update bug seriously slows start up time: How to fix it now

By Henry T. Casey

The latest Windows 10 update delivered new annoying bugs. Here's how to stop them and save your performance.

Check out Windows 10’s biggest Start menu change in years

By Jesus Diaz

Windows 10 will have a redesigned Start menu, losing the live tiles and streamlining the layout of the remaining icons.

The Dell XPS 13 will soon have a search feature that will make Apple users like myself jealous

Windows 10 is getting a cool new time-saving trick

By Henry T. Casey

Microsoft is finally making File Explorer better at searching for files, and it's making this Apple user a bit jealous.

Microsoft Surface Duo has a cool trick the Galaxy Fold 2 should steal

By Henry T. Casey

The Microsoft Surface Duo shows a new way of dealing with notifications, in a leaked video teasing this "peek" feature.

Windows 10 update: Microsoft admits serious problem, here's how to fix it

By Richard Priday

Microsoft has been working to fix a Windows 10 update that caused users to lose settings and data, but its current fix is not foolproof.

Millions of Dell, HP, and Lenovo PCs sitting ducks for firmware attacks

By Paul Wagenseil

Trackpads, Wi-Fi cards, webcams and other peripheral devices built into millions of PCs have lousy firmware security that let the devices be hacked, a report says.