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
microsoft security essentials
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
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
New research shows rise in “deceptive downloads”
According to the latest cybersecurity report from Microsoft, “deceptive downloads” were the top threat for 95 percent of the 110 countries surveyed. What are deceptive downloads? Deceptive downloads are legitimate downloadable programs (usually free) such as software, games, or music...
7 May 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
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
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
EMET: A valuable tool for PC protection
If you’re a regular reader of this blog, then you’ve probably already taken steps to help protect your PC. You have antivirus software that you trust and you keep it updated automatically. You’ve activated your firewall. You regularly install security updates. You know not to respond...
18 Oct 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
Get free or paid support for your malware problem
Is your computer running slowly? Are programs starting unexpectedly? Is the activity light on your broadband or external modem constantly lit? Does it sound like your computer's hard disk is continually working? If you answered “yes” to any of these questions, your computer might be infected...
24 Sep 2013
Check security settings in Windows Vista
The newest version of Windows is Windows 8, but we know that many of you still use Windows Vista. The best way to ensure that Windows Vista is as secure as it can be is to use the Windows Security Center, which is built into Windows Vista. The Windows Security Center can help you check the status...
3 Sep 2013
How do I keep my firewall on?
Using a firewall is like locking the front door to your house—it helps keep intruders (in this case, hackers and malicious software ) from getting in. Windows Firewall is included in Windows and is turned on by default. If you see a warning that your firewall is turned off, it could be because...
27 Aug 2013
Why does my AV software keep turning off?
Bob writes: My antivirus software keeps turning off and I can’t get it back on. Here are the most common reasons you might encounter this problem: Your computer is already infected with rogue security software The warning that you’re antivirus software is turned off might be a...
25 Jul 2013
Can I use Microsoft Security Essentials with Windows 8?
A reader writes: Can I use Microsoft Security Essentials with Windows 8? No—but you don’t need to. Windows 8 includes Windows Defender, a program that provides enhanced protection against viruses and spyware. Learn more about Windows 8 If your computer is running Windows 7, Windows...
11 Jul 2013
Top 5 online safety tips for summer
To help stay safe on your travels this summer, we recommend these Internet safety and privacy tips. Make sure your laptop or tablet has up-to-date antivirus and antispyware software installed. Windows 8 includes antivirus protection that’s turned on by default. If your computer isn’t...
4 Jun 2013
How to combat tech support phone scams
Nana writes: “I received a telephone call at home from a person claiming to be from “Microsoft Operating Systems.” He had an urgent need to "fix" a virus. I had trouble understanding him, and when I starting asking questions, he got frustrated. Was this person calling from Microsoft...
23 May 2013
Microsoft Security Intelligence Report v14: Why antivirus software matters
The latest volume of the Security Intelligence Report (SIR) highlights the importance of using antivirus software . Antivirus software helps protect your computer from malicious software (malware) and can be downloaded or installed inexpensively or at no charge. Still, according to the SIR v14 findings...
17 Apr 2013
Do I have to pay for antivirus software?
Jo Anne writes: I received a message that said that my Microsoft security software is turned off and I am not protected. What can I do? I even ran the scan. The warning says that I can buy antivirus protection, but I don’t want to pay for it. If your computer is running Windows, you do not...
28 Feb 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
Spooky antivirus software
Judy writes: My virus protection doesn't seem to want to stay on. I’ve been able to turn it back on, but when I shut down and then restart my computer later, the virus protection is off again . Is this some kind of Halloween trick? Having a virus is no treat Achieving 100 percent protection...
30 Oct 2012
Important security information for your small business
A computer virus is bad news for anyone, but it can be especially devastating to a small business. Microsoft Small Business Support Center resources include a free step-by-step guide to help you protect your computers from spyware, viruses, Trojans, and rootkits. The interactive guide will help...
13 Sep 2012
Free anti-virus scanner won’t clog PC
Thomas writes: “My computer is already slow. If I download your security scanner , it will probably bring it to its knees.” The Microsoft Security Scanner is a free downloadable security tool that helps remove viruses , spyware , and other malicious software . If you’re worried...
24 Jul 2012
17 percent of PCs have no anti-virus protection
According to a new study by McAfee Research , one in every six personal computers has no working anti-virus protection. Without anti-virus software your computer is vulnerable to viruses , spyware , and other malicious software. In March of this year, the development tools and data services company...
21 Jun 2012
On Facebook? Download Microsoft Security Essentials for free
This month Microsoft teamed up with Facebook to offer its free anti-virus protection. Microsoft Security Essentials is now one of the choices in Facebook Anti-Virus Marketplace to help protect your computer. Microsoft Security Essentials: Offers protection against viruses, worms, and other malware...
5 Jun 2012
Page 1 of 3 (64 items)
© 2014 Microsoft Corporation.
Privacy & Cookies