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Can I run more than one antivirus program?
Carole asks: Is it OK to run Windows Defender with Norton or McAfee antivirus protection? You should never run more than one antivirus program at the same time. The two programs could slow down your computer, and they might even identify each other as a virus, which could lead to file corruption...
5 Aug 2014
Security improvements in Windows 8
Support ended for Windows XP last week. That means technical assistance for Windows XP is no longer available. To stay protected, you can upgrade your current computer or buy a new one. Windows 8.1 Update runs on a wider variety of devices, so you'll have more to choose from, including budget-friendly...
15 Apr 2014
Get the latest security updates and find out what to do if your computer is running Windows XP
Microsoft releases security updates on the second Tuesday of every month. Learn how to get security updates automatically For IT Pros: Microsoft Security Bulletin Summary for April 2014 Support for Windows XP has ended Microsoft has provided support for Windows XP for the past 12 years...
8 Apr 2014
How to get rid of malware that keeps coming back
Windows Defender and Microsoft Security Essentials can get rid of most malware, but here’s what you can do if it comes back. Make sure you have automatic updating turned on . This feature ensures that you have the latest security improvements from Microsoft installed on your computer. If...
27 Mar 2014
Get security updates for March 2014
Microsoft releases security updates on the second Tuesday of every month. Skip the details and check for the latest updates. This bulletin announces the release of security updates for Windows, Microsoft Word, and other programs. Learn how to get security updates automatically For IT Pros...
11 Mar 2014
How do I know if I already have antivirus software?
If your computer is running Windows 8 If your computer is running Windows 8, you already have antivirus software. Windows 8 includes Windows Defender , which helps protect you from viruses, spyware, and other malicious software . If Windows Defender is turned off and you don’t have another...
21 Feb 2014
Do I need anything besides Windows Defender?
A reader asks: If I have Windows Defender, do I need to buy anything else to protect my computer? If your computer is running the Windows 8 operating system, Windows Defender will help protect you from viruses, spyware, and other malicious software. You don’t need to buy anything else. ...
16 Jan 2014
10 New Year’s resolutions for your digital devices and your online life
It’s a new year, which means it’s time to resolve to create healthier habits in our daily lives. But we don’t have to stop at just improving our body, mind, and spirit. It’s also a good idea to resolve to keep our PCs, laptops, smartphones, and social networking sites healthy...
31 Dec 2013
Windows Defender and Microsoft Security Essentials: Which one do I need?
Depending on which operating system your computer is running, you can use either Windows Defender or Microsoft Security Essentials to get rid of malicious software and viruses. If your computer is running Windows 8, you can use the built-in Windows Defender to help you get rid of viruses, spyware...
14 Nov 2013
My antivirus software won’t remove malware
Windows Defender and Microsoft Security Essentials (antivirus software from Microsoft) can detect and remove most malware. If you’re running antivirus software and you’re still having trouble removing malware, follow these steps: Make sure you have automatic updating turned on . This...
17 Oct 2013
3 ways to speed up your PC
Here are three ways to speed up a sluggish computer. 1. Scan your computer for viruses If your computer is slow or restarts often, it could be infected with a virus or other malicious software . If you have Windows 8, you can use the built-in Windows Defender to help you get rid of a virus or...
15 Oct 2013
How to get rid of a computer virus
Is your computer running more slowly than usual? Does it stop responding or freeze often? It might have a virus. If you can connect to the Internet These instructions are different depending on which operating system you’re using. Check your operating system Windows 8 If your computer...
25 Jun 2013
Should I use more than one antivirus program?
You don’t need to install more than one antivirus program . In fact, running more than one antivirus program at the same time can cause conflicts and errors that make your antivirus protection less effective or not effective at all. Windows 7 and Windows Vista include spyware protection called...
22 Jan 2013
Take care with ransomware
Have you ever received an email or seen a warning page on a website claiming that legal authorities had detected illegal activities on your computer? This scam infects your computer with a type of malicious software called “ransomware.” The aim of ransomware is to prevent you from using...
4 Dec 2012
What’s new in Windows 8
Windows 8 is now available to buy at the Microsoft Store and other retailers. You can also upgrade at Windows.com . Windows 8 has several built-in security features that are built in and ready to go. Windows 8 also comes with Internet Explorer 10 , designed with innovations that can help you control...
26 Oct 2012
Why does the Action Center say I don’t have antivirus software?
We recently received this question from a reader of this blog: “Hi! I am running Windows 7 with Windows Defender. Why does the Action Center say that I don’t have antivirus protection?” Windows Defender comes with Windows 7 and although it is your first line of defense against...
10 Nov 2011
Windows Defender doesn’t work after I install Microsoft Security Essentials
Beth writes: “I could not get my Windows Defender to work after installing Microsoft Security Essentials. Why?” Windows 7 and Windows Vista both come with antispyware software called Windows Defender. If you want to protect your computer from more than spyware, you can install Microsoft...
18 Aug 2011
Hey! Did MSN hijack my browser?
Did your home page or search page suddenly change to MSN or another Microsoft website? If you use Microsoft Security Essentials , Windows Defender, the Microsoft Malicious Software Removal Tool , or other anti-malware software from Microsoft, these tools might have detected browser hijacking software...
27 Sep 2010
Do I need both Microsoft Security Essentials and another antivirus software program?
A reader recently asked us if they need both Microsoft Security Essentials (free antivirus and antispyware software) and another security suite that requires a paid subscription service. The short answer? No. The long answer? Microsoft Security Essentials is free software that helps protect against...
8 Sep 2010
Microsoft Security Essentials vs. Windows Defender
A reader recently asked us if she needed Windows Defender , antispyware software from Microsoft that comes with Windows Vista and Windows 7, if she had downloaded Microsoft Security Essentials (free antivirus and antispyware software). If you use Microsoft Security Essentials, you don't need Windows...
26 Aug 2010
If I have Microsoft Security Essentials do I still need Windows Defender?
Microsoft Security Essentials is a free download for home computers running on the Windows operating system. This software helps protect your computer from viruses, spyware, and other malware. Windows Defender is built into Windows Vista and Windows 7 and it's available as a free download for Windows...
3 Dec 2009
Free Microsoft antispyware site helps you protect your computer
Microsoft just launched a new Windows Defender Web site dedicated to helping you fight spyware. The new Windows Defender site features: Links to download Windows Defender , the free antispyware program from Microsoft. A new video demo that explains how to use Windows Defender to defend...
4 Aug 2008
Windows Live OneCare FAQ – Part III
In recent weeks readers have sent us the following questions about Windows Live OneCare. This is the third in the series. For more questions, see Windows Live OneCare FAQ Part I and Windows Live OneCare FAQ Part II. Q: I have both Windows Defender and OneCare and I run Windows Vista. Do I need...
25 Feb 2008
Windows Live OneCare FAQ – Part II
Q: Does OneCare include Software Explorer, like Windows Defender? A: No, the Software Explorer feature is not available with OneCare. OneCare does integrate the real-time antispyware capability from Windows Defender. This protects your computer against pop-ups, slow performance, and security...
18 Feb 2008
New Windows Live OneCare for home and small business networks
Features designed to help manage multiple computers are included in the newest version of Windows Live OneCare , which Microsoft released late last year. These features make it easier to manage security on home networks and small business networks. Windows Live OneCare now supports up to three...
3 Jan 2008
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