MSE has been tested thoroughly, by several of the accepted testing bodies. Personal experience isn't worth much, but I'll tell you that it and Avira are the only AV products I've seen warn and prevent the Facebook virus from infecting a system, of the ones I've seen.
I'm not a big microsoft lover but I do tend to stay with the built in products as long as they do the job. It seems that MS products are more reliable with the MS OS, use less overhead and get updates if there is a bug, a lot quicker. Not to mention everything is free pretty much.
MSE runs native 64 bit, I only know 1 other out there that has a 64bit native version. So it should be faster than a 32 bit Virus scan. It does seem to use a little more memory than other virus scanners. The CPU usage is 0 except during a full system scan.
I learned today that Kaspersky is apparently using/listing/obfuscating the HOSTS file as some kind of anti-banner innovation. If it is true, for that reason alone I would not use their products.
Mmmm..Ain't nobody gonna mess with my HOSTS but me..!
i'm a kaspersky man, and i don't see anybody obfuscating my hosts file, it looks to be exactly as it was when i last looked at it, with no extra entries - what exactly do you mean, Antman?
do you have a source for your rumours?
On this forum today, someone was discussing some Anti-banner ad component of kaspersky. While the hosts file is not the only method for blocking banners, it is the only way to do so without a TSR.
Found it -
An advantage to using a TSR would be any form of of automated regular update. A disadvantage would be using a TSR to do what the system does by itself already.
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A very nice feature which helps page load faster.