Virus and Security Solution Center

Look up Key Resources or Ask the Community. Explore your Self Support Options to look up top issues, error messages or troubleshooting tips.

Start Here

Start Here

Are you concerned your PC may be exposed to viruses and other security threats? Microsoft has free tools that can help detect and remove viruses, plus build up defenses to help secure your PC against viruses and other security threats. To get started, follow the three steps below.

Step OneScan your PCs for viruses
The Microsoft Safety Scanner is a free downloadable security tool that provides on-demand scanning and helps remove viruses, spyware, and other malicious software.
Step TwoConfigure your PCs to help prevent security threats
Building up your computer?s defenses helps secure your computer against viruses. To help prevent security threats from infecting your PC, the Malware Prevention Diagnostic Tool will guide you through configuring these system settings: set up automatic update for Windows, turn on Windows Firewall, enable Internet Explorer?s privacy settings, turn on User Account Control (UAC), clean your internet cache and browsing history, and more. Learn more.
Step ThreeProtection for your PC
Windows Defender is built into the new Windows and helps guard your PC against viruses and other malware.
For a PC running an older version of Windows, you can download Microsoft Security Essentials.

Virus information

Virus Information

Microsoft Consumer Online Safety
Protect your family, yourself and your computer by learning more about computer safety. The Consumer Online Safety web site provides useful tools and resources to get you up-to-date with PC safety and security.

Protection for your PC
Windows Defender is built into the new Windows and helps guard your PC against viruses and other malware.
For a PC running an older version of Windows, you can download Microsoft Security Essentials.

4 Steps to Protect Your Computer
Follow these four steps to keep your computer protected and up-to-date.

Think you have a virus? Follow these steps
This article discusses how to determine whether your computer is infected with a computer virus, worm or a Trojan, how to recover from an infection and how to prevent future infections from a computer virus.

Security information

Security Information

Security Checklist for Windows
Use this checklist to make sure you?re taking advantage of all the ways that Windows can help keep your computer as secure and safe as possible.

Install Microsoft Updates
Protect your PC from security risks and ensure your version of Windows is up-to-date.

4 Steps to Protect Your Computer
Follow these four steps to keep your computer protected and up-to-date.

Microsoft Consumer Online Safety
Protect your family, yourself and your computer by learning more about computer safety. The Consumer Online Safety web site provides useful tools and resources to get you up-to-date with PC safety and security.

Other security software providers

Install and update security software to help protect your computer from viruses and other threats.

How can I help protect my Windows 8.1 PC from viruses?

Windows 7 consumer security software providers

Windows Vista consumer security software providers

Windows XP consumer security software providers

Hoaxes and scams

Hoaxes and scams

Scams that use Microsoft?s name or product names
Phishing scams often include the names of well-known companies to convince you to visit spoofed Web sites or click on dangerous links. Microsoft does not send unsolicited e-mail requesting personal or financial information.

How to handle suspicious e-mail
Follow these guidelines to help protect yourself when suspicious mail shows up in your Inbox.

Scams that promise money, gifts, or prizes
Several types of phishing scams promise fantastic financial or other rewards in exchange for just a few small things you have to do?which include turning over your personal information to an identity thief.

How to recognize phishing e-mails or links
A few clues can help you spot fraudulent e-mail messages or links within them.

Ask the Community

Ask the Community

Security & Privacy forum at Microsoft Community
Post questions in the Microsoft Security and Privacy Community forum. Experts are on hand to help.


Getting Started with Microsoft Security Essentials forum at Microsoft Community
Post questions in the Getting Started and Upgrading with Microsoft Security Essentials Community forum. Experts are on hand to help.


Updating Virus and Spyware Definitions forum at Microsoft Community
Post questions in the Updating Virus and Spyware Definitions for Microsoft Security Essentials Community forum. Experts are on hand to help.


Scanning, Detecting and Removing Threats forum at Microsoft Community
Post questions in the Scanning, Detecting and Removing Threats with Microsoft Security Essentials Community forum. Experts are on hand to help.

IT Professionals

IT-Professional Security Resources

Install the latest Microsoft Security Patches
On the second Tuesday of each month Microsoft releases its latest security updates for its software. Ensure your computer is protected by installing the latest Security Bulletin from Microsoft.

What?s New for Security in Windows Server 2008 R2
These product evaluation topics provide IT-Professionals with an overview of new and changed security related features in Windows Server 2008 R2.

Install Microsoft Updates
Protect your PC from security risks and ensure your version of Windows is up-to-date.

Microsoft Malware Protection Center
The Microsoft Malware Protection Center blog provides a real-time method for the Microsoft Malware Response Center to communicate with customers. Topics include day-to-day, ?behind the scenes? information about new, emerging and interesting malware threats as well as other research topics in the computer security field.

Protect your Exchange messaging environment with Forefront Security for Exchange Server
Forefront Security for Exchange Server includes multiple scan engines from industry-leading security firms integrated in a single solution to help businesses protect their Exchange messaging environments from viruses, worms, and spam.

Stay secure: Visit the Security TechCenter on TechNet
The Security TechCenter provides links to technical bulletins, advisories, tools, prescriptive guidance, and community resources designed to help IT professionals keep Microsoft servers, desktops, and applications up to date and secure.

Assisted Support

Assisted Support

Contact Consumer Security Support
When creating a case, ensure that you provide all requested information related to the problem you are facing. In order to track and reference your inquiry, you will receive a support case number. This support case number will be required for all contacts with a Support Professional.
Hours: 24 hours a day, 7 days a week
Support Options

Telephone

Telephone

Hours: 9:00am - 9:00pm (Monday to Sunday excluded Public Holidays)
(852) 2388-9600 * Macau Toll Free Number 0800-760

Mail

Mail

Corporate address:
Microsoft Hong Kong Limited
13/F, Cyberport 2,
100 Cyberport Road, Hong Kong
View Microsoft Worldwide contact information

Computer Manufacturer Support

Computer Manufacturer Support

If your Microsoft software was pre-installed or came with your
computer, you may have support options available through your
computer manufacturer.
View contact information for computer manufacturers

Product Support Centers

Product Solution Centers

For technical issues, please see
View product support for technical issues

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Last Review : Sunday, August 30, 2015