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...

Technology can make everything in our lives easier—including sharing too much information (TMI). Just because you can take a picture of your new credit card and post it on Instagram doesn’t mean that you should. In fact, you shouldn’t...

A Microsoft account—formerly known as a Windows Live ID—is the combination of an email address and a password that you use to sign in to services such as Xbox LIVE and Outlook.com, as well as devices such as Windows Phone and computers running...

John writes: I got an email saying that illegal materials were found on my computer and it would be locked until I paid a fine. Is this a scam? Yes, this sounds like a common blackmail scam called ransomware. Ransomware is an email, website or pop...

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...

Microsoft releases security updates on the second Tuesday of every month. Skip the details and go to Microsoft Update to download the latest updates. This bulletin announces the release of security updates for Windows, Internet Explorer, and other...

Today, the Microsoft Security Response Center (MSRC) posted details about the July security updates . If you have automatic updating turned on, most of these updates will download and install on their own. Sometimes you may need to provide input for...

Thank you for helping make the Internet a safer place. If you haven’t already, 'Like' us on Facebook and be part of the next million. Join the conversation to get daily online safety tips covering the Microsoft products you use, including Internet...

To post a comment or a question on one of our blog posts, use the Comments form at the bottom of the post. We appreciate your comments and questions, and we read all of them. Although we don’t answer them individually, we do use the information...

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...

The news is filled with stories about people, famous and otherwise, getting caught in online dating scams. The phenomenon is so common that it now has a name: Catfishing. The term catfishing comes from the 2010 movie Catfish about a man who was lured...

Most of us already know this, but it’s worth repeating: When you email or text photos to another person, that person can save the pictures on his or her phone or hard drive forever. New apps like Snapchat claim that there are ways to send photos...

Cassie writes: I received an email from the Hotmail Maintenance Department requesting personal information verification. The message included a PDF file. Is this a scam? Yes. This is one of many types of email cybercrime, also called phishing ....

Microsoft releases security updates on the second Tuesday of every month. Skip the details and go to Microsoft Update to download the latest updates. This bulletin announces the release of 5 security updates for Windows, Internet Explorer, and Microsoft...

Today the Microsoft Security Response Center (MSRC) posted details about the May security updates. On Tuesday, June 11 at approximately 10 AM Pacific Time Microsoft will release 5 bulletins. The easiest way to get the updates when they're available...

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...

Last month we asked you to tell us your mobile phone pet peeves. The results are in, and 44 percent of you listed “constant phone checking” as one of the most annoying behavior among your smartphone-wielding friends. See the rest of the...

Around the world, we’re celebrating graduates of high school, college, and even grade school. Whatever the occasion for celebration, keep in mind these tips for social media sharing: Be mindful of your online image. Remember that blog posts...

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...

A few months ago, we warned you about fake Java updates and suggested that the best thing you could do to protect yourself was to keep all of your software updated. One way criminals take advantage of software that isn’t updated is to craft PDF...

One of the best defenses against viruses and other kinds of malicious software is ensuring that all of your built-in security settings are turned on and running smoothly. Microsoft offers a free tool that will help diagnose and fix Windows security...

Microsoft releases security updates on the second Tuesday of every month. Skip the details and go to Microsoft Update to download the latest updates. This bulletin announces the release of 10 security updates for Windows, Internet Explorer, .NET...

Today the Microsoft Security Response Center (MSRC) posted details about the May security updates. On Tuesday, May 14 at approximately 10 AM Pacific Time Microsoft will release 10 bulletins. The easiest way to get the updates when they're available...

For years, hackers have targeted computer users by infecting websites. And based on recent reports, we have confirmed that cyber criminals are up to the same, no good behavior—this time targeting Internet Explorer 8. If you use Internet Explorer...

A great Mother’s Day gift idea: help your mom guard against viruses , fraud , and identity theft . Unless she's a super geek or an IT professional (or both), we know she’ll appreciate it. Make sure that your mother: Has antivirus...