Microsoft Security Essentials

A newer version of Microsoft Security Essentials is available.

This download is served from an external site


NOTICE: This link will open a connection to a third-party site. CNET cannot ensure the security of software that is hosted on external sites.

Continue to download

Sponsored Products

Or, Learn More About Microsoft Security Essentials
CNET Editors' Rating 4.0 stars


Average User Rating stars

out of 666 user reviews

Back to product review

Full user review

  • 1.0 stars

    "Didn't stop anything"

    August 14, 2012  |   By Anonmyous


    Easy to use


    I loaded it and ran it for a year and it seemed to be working. I suddenly had trouble with unexpected shutdowns. I manually ran a full scan even though i had it set to run automatically. The scan found several problems on my system and supposedly cleaned them up. It then told me to completely clean the system I needed to download and burn to a disc on a clean computer "windows Offline Beta". I did and then booted up the infected system from the "Offline Beta" disk. The program ran a quick scan automatically, it found nothing. I then ran a full scan, it ran for an hour and a half and it still found nothing. I rebooted the system from the hard drive and Microsoft Security Essentials said there were still problems and that i had to run the Offline beta again. I repeated this process three times before I gave up and went for the nuclear option of a complete system reload. Don't waste your time with this product.


    It doesn't keep things out nor dose it remove things that it has found.

    Reply to this review

    Was this review helpful? (0) (1)

1 reply to this review

  • Reply by EricVonZipper on September 25, 2012

    What told you to clean your system, MSE? I see you didn't open in safe mode, and I bet you didn't create a system restore point either.

Submit your reply


The posting of advertisements, profanity, or personal attacks is prohibited.
Click here to review our site terms of use.


Add Your Review

Log in or create an account to post a review.
You are logged in as . Please submit your review for Microsoft Security Essentials 4.0
Add Your Review

The posting of advertisements, profanity, or personal attacks is prohibited.
Click here to review our site terms of use.

E-mail this review

Submit cancel

Report offensive content

If you believe this comment is offensive or violates the CNET's Site Terms of Use, you can report it below (this will not automatically remove the comment). Once reported, our staff will be notified and the comment will be reviewed.

Select type of offense:

Offensive: Sexually explicit or offensive language
Spam: Advertisements or commercial links
Disruptive posting: Flaming or offending other users
Illegal activities: Promote cracked software, or other illegal content
Submit cancel




If you think this is an error, please contact CNET TechTracker Support for further assistance.


Running Request



Smart Install Software


CNET TechTracker will now automatically install software without requiring further action by you. (Note: This feature automatically accepts associated EULAs and third party applications on your behalf.)

You have selected the following software to Smart Install:

CNET TechTracker will attempt to install this software without interrupting you again. If an application requires manual installation, CNET TechTracker will download the installer and prompt you to take further action.

Proceed with Smart Install?

Confirm Standard Install Cancel