Security Tips & Talk
Tips about computer security, online safety, and privacy
Search this blog
Search all blogs
View More Blogs
Microsoft Accessibility Blog
Microsoft Malware Protection Center Blog
Microsoft Security Blog
Security Tips & Talk Blog
Trustworthy Computing Blog
Safety & Security Center
Consumer Security Support Center
Security Tips & Talk
Browse by Tags
advance fee fraud
Advance Notification Service
Data Privacy Day
Digital Crimes Unit
fake security software
Family Online Safety Institute
Internet Explorer 10
Internet Explorer 7
Internet Explorer 8
Internet Explorer 9
Malicious Software Removal Tool
microsoft lottery fraud
Microsoft Safety Scanner
Microsoft Security Essentials
monthly security updates
National Cyber Security Alliance (NCSA)
rogue security software
security intelligence report
Windows Live Hotmail
Windows Live OneCare
Windows Live Safety Scanner
Windows Phone 7
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
Security News: Watch the Bret and Vinny Show
The third volume of the Microsoft Security Intelligence Report is now available. Download the report. Want to know more? Join Microsoft executives Bret Arsenault, General Manager of the National Security Team, and Vinny Gullotto, General Manager of Microsoft Research and Response, as they...
11 Dec 2007
Does Windows Live OneCare include Windows Defender?
A reader asks: Is Windows Defender built into Windows Live OneCare? Or do I have to download Windows Defender separately? Windows Defender is built into Windows Live OneCare . If you use Windows Live OneCare, you do not have to download Windows Defender. What is Windows Defender? ...
21 Nov 2007
How to tell if Windows Defender is installed on your computer
Windows Defender is an antispyware program from Microsoft that helps protect you from spyware, pop-up windows, and other unwanted software. It's free to download for Windows XP users and it comes with Windows Vista. (You don’t need to download or install it if you have Windows Vista. For more information...
11 Sep 2007
Windows Defender for Windows Vista
Some of you have been asking about whether or not you should download Windows Defender. Here's the short answer: Windows Defender comes with Windows Vista . If you use Windows Vista, do not download Windows Defender. If you use Windows XP SP2 you can (and should!) download Windows Defender...
11 Jul 2007
What do Windows Defender warnings mean?
Windows Defender is a Microsoft program that helps protect you against spyware and other unwanted software. It's built into Windows Vista and you can download it for free if you use Windows XP. Windows Defender provides real-time protection , but also allows you to scan your computer for spyware...
19 Mar 2007
Download the new version of Windows Defender
So you say that your New Year's resolution is to get rid of spyware and annoying pop-up windows? That's an easy one. Download Windows Defender, the antispyware software from Microsoft. You did that already, but now you're getting a confusing "Windows Defender has expired" message? You aren...
4 Jan 2007
Why didn't Windows Defender recognize spyware on my computer?
A reader tells us that he uses Windows Defender to scan his computer for adware and spyware every other day. So far it has reported finding no problems. However, he writes, he also scans his computer with two other antispyware programs -- Ad Aware and Spybot Search and Destroy. Both have reported...
13 Nov 2006
What's the difference between spyware and a virus?
A reader recently wrote us to say that Microsoft Windows Security Center was telling him that he had no antivirus software installed. He had finished his free trial of Microsoft Windows Live OneCare and removed it and then installed Microsoft Windows Defender, thinking it would protect his computer from...
2 Nov 2006
Page 1 of 1 (25 items)
© 2013 Microsoft Corporation.
Privacy & Cookies