Microsoft Security Essentials is Microsoft's free anti-virus offering.It runs on Windows XP, Windows Vista and Windows 7, but not on Windows 8, which has a built-in AV component.

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Microsoft Security Essentials howto auto download definition updates

I use Microsoft Security Essentials as my antivirus on my Win7 box. New virus definitions to Security Essentials are installed using Windows Update. However, the updates are marked as optional by ...
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3answers
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Microsoft Security Essentials Not Monitoring

When I boot into Windows Vista, Microsoft Security Essentials is set to run when the system starts. When I open the program, it says Microsoft Security Essentials isn't monitoring your computer ...
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1answer
717 views

VMWare Player client can't access internet any more (DNS problem?)

I'm using VMWare Player 2.5.4 for a longer time on my Windows XP machine. In the last week the guest OS stopped being able to connect to the internet anymore: pinging up to the gateway/dns-server (my ...
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756 views

MS Security Essentials does not update automatically

I've installed Microsoft Security Essentials and my Windows XP Professional SP3 and it does not seem to install update signatures multiple times a day as I'm used to from other virus scanning tools. ...
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2answers
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How can I remove an allowed program from Microsoft Security Essentials

I was downloading a network packet sniffer when MSE properly warned me about it. I responded to allow the program, since I didn't want it quarantined or deleted. Now that I'm done with the sniffer ...
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6answers
884 views

How did my computer get compromised?

How is it possible that my up to date install of Windows 7 with UAC enabled and Microsoft Security Essentials running became compromised, seemingly in a website drive-by? I've run ostensibly the same ...
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1answer
654 views

iptables blocks update for Microsoft Essentials

Please advise which ports/destinations shall be opened at the Linux firewall to allow MS Essentials updates for Windows PCs.
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Wrong Windows version identified when installing anti-virus software. Reset Windows version in registry?

Question: How do installation programs determine Windows version and how can I properly reset it? Is it via a registry key or is there some file in system32 that I can add? Background: I've been ...
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2answers
266 views

What else besides firewall prevents access

I have a couple different servers running on my Win7 Pro box - IIS at port 80 and a music streaming server (subsonic) running on 8080. Both respond to 'http://localhost' but neither respond to ...
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Anti-virus for windows 7 home premium

Hi all I have a new laptop with Win 7 Home Premium. this machine came with already installed "MS Security Essentials" anti virus. I've installed on the laptop another protection "Symantec Endpoint ...
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3answers
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Command line to UPGRADE Microsoft Security Essentials

I would like to know some command line code that will upGRADE Microsoft Security Essentials. There is code for upDATEing, but upGRADING is more elusive.
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1answer
362 views

Belarc Advisor (Store Passwords using Reversible Encryption)

I'm using Belarc Advisor to examine my PC. Part of BA is a security benchmark summary, which examines components of windows security and provides a benchmark rating. Two items are marked as Fail: - ...
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2answers
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Microsoft Security Essentials & MsMpEng.exe hogging resources

I've been using MSE for a couple months now, never had a single problem. All of a sudden the process "MsMpEng.exe" will randomly go crazy and hog all my system resources so I can't do anything unless ...
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1answer
92 views

Is there a real problem in this Retrospect duplicate of my hard drive?

I recently duplicated my XP "C" drive, using Retrospect. When it finished, there were 6 errors. I checked the log and the 1st error referred to Microsoft Security ...
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1answer
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How to get Microsoft Security Essentials to work through a proxy?

It only seems to work for me with a direct connect. And i cant find anywhere to set a proxy. Windows 7 64bit. As for why... we are in development network that is isolated from the organizations ...
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2answers
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Difference between Malicious Software Removal Tool, WinDefender, Security Essentials?

What is the difference between these three products? Malicious Software Removal Tool Windows Defender Microsoft Security Essentials
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1answer
3k views

Microsoft Security Essentials: Does it scan emails?

I recently decided to see what life is like without Kaspersky Internet Security and have installed MSE. I'm concerned about receiving malware via SPAM etc. Does MSE scan emails and/or attachments? Is ...
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3answers
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Does Microsoft Security Essentials work with Windows Server 2003 R2 SP2?

Does Microsoft Security Essentials work with Windows Server 2003 R2 SP2? I currently have AVG Business Edition, but it's close to expiring. I don't want to pay $189 a year, but I also don't want to ...
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6answers
4k views

MSE updating fails, no warning or error message

I'm running Windows 7 Ultimate, 32-bit. For the last couple of days, MSE doesn't fails to update, remaining stuck at version 1.75.119 I presume that an error log is created somewhere, or an event ...
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4answers
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Remove the Microsoft Security Essentials icon

I've been using Microsoft Security Essentials on Windows 7 for sometime now and so far I don't have a bad word to say about it. I would like to permanently remove the MSE icon from the task bar and ...
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2answers
252 views

MSE prompts for ntoskrnl.exe warning every time I start my PC

I'm having this warning recently which is as follows: I have Microsoft Security Essentials installed, and my virus definitions are up-to-date. I have executed a full scan on my PC, and there were ...
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2answers
325 views

MSE and updating

I cannot manually update MSE...I receive error warning 0x8007000d. I have tried rebooting numerous times and checking the firewall but I need advice from someone more knowledgable than myself. Thank ...
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6answers
5k views

How to keep Windows 7 from sleeping while scanning the PC

So, I've been using Microsoft Security Essentials lately. And it usually takes a couple hours or more for it to full scan my hard drive. Because of that, I commonly leave it scanning while I go do ...
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1answer
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How to disable/enable Microsoft Security Essentials from the command line?

I would like to know how to disable and enable Microsoft Security Essentials from the command line. This is a common procedure on build machines in order to speed-up the build process.
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1answer
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MsMpEng.exe (Windows Defender?) uses a lot of CPU at startup and runs two instances on a single core machine

I'm using Windows XP Professional SP2 on a single core AMD64 processor, and I've got two instances of MsMpEng.exe starting up when I start up and log in. They use 64MB and 32MB of ram and 140MB and ...
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1answer
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mpasdlta files — what are they?

I noticed a bunch of folders in the root of my hard drive named with a string of hex digits that contain files named with a GUID ending with "mpasdlta.vdm" and "mpavdlta.vdm". From some Googling, I've ...
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Microsoft Security Essentials for a business

This is 2 questions really - Am I allowed to install Microsoft Security Essentials 1.0 in a business of 200 - 300 users? Is Microsoft Security Essentials 1.0 adequate protection (real-time ...
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4answers
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Trouble Downloading from some sites

I am trying to download the new Microsoft Security Essentials but when I click on the Download button instead of getting the Download box popup nothing comes up. The progess bar at the bottom shows ...
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4answers
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Does Microsoft Security Essentials Shut Down Illegal Copies of Windows 7? [closed]

Well, this is a theoretical question of course. I got this from the installation agreement: a. The software may cause the operating system software to conduct validation checks of your operating ...
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5answers
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Does Microsoft Essentials work with AVG?

Do I have to get rid of AVG if I want to install Essentials on the new Windows 7 OS?
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1answer
2k views

Does Microsoft Security Essentials work with any browser?

Will the The Microsoft Security Essentials work with Firefox? (I only use IE for WinXP updates.)
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1answer
1k views

Microsoft Security Essentials crashes when I try to install it

Microsoft Security Essentials crashes when I try to install it. 32-bit Windows Vista Home Premium. Latest version, just downloaded a few minutes ago.
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3answers
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Microsoft Security Essentials: How to Disable the 'Real Time Protection Is Off' Warning?

I decided to disable the "real time protection feature" of MSE. Now I have this little annoying "feature", that MSE keeps me informed that I have disabled "real time protection": the little red ...
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1answer
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Does Microsoft Security Essentials replace Windows Defender?

Does Microsoft Security Essentials replace Windows Defender?
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1answer
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Is there a way to disable the tray icon for Microsoft Security Essentials?

It's running in the background, and seems to be working fine, but is there a way to disable its system tray icon so I don't have to see it down there unless it's detecting something going awry?
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4answers
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How does the performance of Microsoft Security Essentials compare with other Anti-virus products [closed]

Are there any solid data (i.e. benchmarks) comparing the performance of Windows Security Essentials with other anti-virus products? In particular, I'm interested in how much overhead it imposes on a ...
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3answers
816 views

should I install Microsofts free antivirus offering or just stay with AVG free [duplicate]

Possible Duplicate: Would Microsoft Security Essentials be adequate protection? Microsoft's free antivirus program, Security Essentials, became available for download from the company's ...
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1answer
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Is Microsoft Security Essentials a solid security suite [duplicate]

Possible Duplicate: Would Microsoft Security Essentials be adequate protection? With the release of Microsoft's new Free security suite; Microsoft Security Essentials, the question has to be ...
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14answers
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Would Microsoft Security Essentials be adequate protection? [closed]

Is Microsoft Security Essentials (MSE) adequate protection for my computer? What is the experience with this product? I found out about a comparison of AV Suites. MSE did VERY well. One that I ...