Update: Microsoft Security Essentials

by djbaxter on April 2, 2010

In my review of an early release of Microsoft Security Essentials, I noted:

I  installed it on a Dell Vostro desktop computer running Windows XP Pro SP3 with an Intel Core2 2.33 GHz processor and 4 gigs of ram, as well as a Toshiba laptop running Vista Home Premium SP2 with an AMD dual-core 2.4 GHz processor.

I found it was a little slower than Avast on the Vista laptop but tolerable, especially given that it scanned for spyware as well the virus family. My initial impression was uncertain but I was willing to work with Security Essentials for a while on the laptop.

On the desktop it was a very different story. It slowed my XP system to a crawl with almost constant activity that was using 20-50% of available RAM at any given time. I gave it a couple of hours in case this was just an initial scan but even following the Quick Scan I’d requested it continued to churn away. Even switching windows from email to my browser or to Word often took a few seconds.

I recently decided to give it another try to see if there had been any improvements in speed, and I’m happy to report that it is now running smoothly on both the laptop and the desktop.

Recategorized as “Recommended”.

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